APA aipamena

Trudgill, P. (1979). Sociolinguistics: An introduction. N.Y.: Penguin Books.

Chicago Style aipamena

Trudgill, Peter. Sociolinguistics: An Introduction. N.Y.: Penguin Books, 1979.

MLA aipamena

Trudgill, Peter. Sociolinguistics: An Introduction. N.Y.: Penguin Books, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.