Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.