Ash, S. (2000). "Sampling strategy for the Telsur/Atlas Project". On the Internet website, Telsur Project, William Labov ed.
http://www. ling. upenn. edu/phono_atlas/sampling. html.
Bailey, G., Wikle, T., Tillery, J., & Sand, L. (1993). “Some patterns of linguistic diffusion”. Language variation and change, 5(03), 359-390.
Baily, Guy & Garry Ross (1992). “The Evolution of a vernacular”. In Matti Rissanen, Ossi Ihalainen, Tertu Nevalainen, and Irma Taavistainen (eds.), History of englishes: New Methods and Interpretations in Historical Linguistics. Berlin/ New York: Mouton de Gruyter, 519-531.
Callary, R. E. (1975). "Phonological change and the development of an urban dialect in Illinois". Language in Society, 4(02), 155-169.
Chambers, Jack & Trudgill, Peter (1998). Dialectology. Cambridge: Cambridge University Press.
Gordon, Matthew (2006). Review of The Atlas of North American English, online.
http://linguistlist.org/issues/17/17-2299.html
Hotzenköcherle R. (1962). Einführung in den Sprachatlas der deutschen Schweiz Introduction to the linguistic atlas of German Switzerland.6Francke.
Kurath, H. and I. McDavid Jr. Raven (1961). The pronunciation of English in the Atlantic States. Ann Arbor: University of Michigan Press.
Labov, W. (2000). The Telsur Project at the Linguistics Laboratory, University Pennsylvania. On the Internet.
http://www. ling. upenn. edu/phono_atlas/sampling. html.
Labov, W., S. Ash and C. Boberg (2006). The atlas of North American English: Phonetics, phonology and sound change. Walter de Gruyter.
Starks, D. and Z. McRobbie-Utasi (2001). "Collecting sociolinguistic data: Some typical and some not so typical approaches". New Zealand Sociology, 16(1), 79-92.
Szmrecsanyi, Benedikt (2012). "Methods and objectives in contemporary dialectology". In: Ilja A. Seržant & Björn Wiemer (eds.). Современные методы в
Диалектологии. Ареал северных, северо-западных русских и белорусских говоров./ Contemporary approaches to dialectology: The area of North, Northwest Russian and Belarusian vernaculars.
http://www.benszm.net/omnibuslit/Szmrecsanyi_Contemporary_Methods.pdf.
Trudgill, P. (1974b). "Linguistic change and diffusion: description and explanation in sociolinguistic dialect geography". Language in Society 3, 215–46.
Veith, W. H. (2006). “Dialect Atlases”. In Keith Brown (ed.): Encyclopedia of Language and Linguistics. Vol. 3, 517-528.
Wardhaugh, R. (2006). An Introduction to Sociolinguistics, 5th ed. Oxford: Blackwell publishing.
)