HOUSTON, A. Continuity and change in English morphology (1986). Tesi no publicada de la Universitat de Pennsylvania.

LABOV, W. The social stratification of English in New York City. Washington D. C.: Center for Applied Linguistics, 1966.

LABOV, W. What is a linguistic fact? (1975). Lisse: Peter de Ridder Press.

LABOV, W. "Building on empirical foundations". Dins W. Lehmann i Y. Malkiel (eds.), Perspectives on Historical Linguistics (1982), Amsterdam/Philadelphia: John Benjamins, p.17-92.

LABOV, W. "The child as linguistic historian". Language Variation and Change. [Cambridge] (1989), núm.1, p. 85-97.

LABOV, W. "The intersection of sex and social class in the course of linguistic change". Language Variation and Change. [Cambridge] (1990), núm. 2, p. 205-254.

LABOV, W. Principles of Linguistic Change. Internal Factors (1994). Oxford UK i Cambridge USA: Blackwell.

LABOV, W. Principles of Linguistic Change. Social Factors (2001). Oxford UK i Cambridge USA: Blackwell.

LAVANDERA, B. "Where does the sociolinguistic variable stop"?, Language in Society [Cambridge] (1981), núm. 7, p. 171-83.

PLAZA, C. "Lleialtat lingüística, edat i nivell educatiu. La e posttònica a la Conca de Barberà". Dins M. T. Turell (ed.), La sociolingüística de la variació (1995), Barcelona: PPU, p. 117-138.

PAYNE, A. "The Acquisition of the phonological system of a Second dialect". Tesi no publicada de la Universitat de Pennsylvania.

PAYNE, A. "Factors controlling the Acquisition dialect by out-of-state children". Dins W. Labov (ed.), Locating language in time and space (1980), Nova York: Academic Press, p. 143-178.

PRADILLA, M. À. "El desafricament prepalatal intervocàlic al català de transició nord-occidental/Valencià". Dins M. T. Turell (ed.), La sociolingüística de la variació (1995), Barcelona: PPU, p. 53-117.

PRINCE, E. F. "Sarah Gorby, Yiddish folksinger: A case study of dialect shift. Sociology of Jewish languages. International Journal of the Sociology of Language (1987), núm. 67, p. 83-116.

ROMAINE, S. "The status of variable rules in sociolinguistic theory". Journal of Linguistics (1981), núm. 17, p. 93-119.

SANKOFF, D. i SANKOFF, G. "Sample Survey methods and computer-assisted analysis in the study of grammatical variation". Dins R. Darnell (ed.) Canadian languages in their social context (1973), Edmonton, Alberta: Linguistic Research, p. 7-64.

SANKOFF, D. i Thibault, P. (1977): "L'alternance entre les auxiliaires avoir et être en français parlé a Montréal", Langue Française, 34, p.81-108.

TURELL, M. T. "La base teòrica i metodològica de la variació lingüística. Dins M.T. Turell (ed.), La sociolingüística de la variació (1995b) Barcelona: PPU, p. 17-49.

TURELL, M. T. "The variationist view of variation: evidence from Catalan-speaking Communities". Catalan Review. International Journal of Catalan Culture (1995a), núm. 12, p. 275-290.

TRUDGILL, P. The social differentiation of English in Norwich. Cambridge: Cambridge University Press, 1974.

TRUDGILL, P. "Preface" to LABOV, W. Principles of Linguistic Change. Internal Factors (1994). Oxford UK i Cambridge USA: Blackwell.

WEINREICH, U, W. LABOV & M. HERZOG. "Empirical foundations for a theory of language change". Dins W. Lehman i Y. Malkiel (eds.), Directions for historical linguistics (1968), Austin: University of Texas Press, p. 97-195.

M. Teresa Turell Julià 
Universitat Pompeu Fabra 
teresa.turell@upf.edu