APA (7th ed.) Zitazioa
Trudgill, P. (1984). Applied sociolinguistics. Academic.
Chicago Style (17th ed.) Zitazioa
Trudgill, Peter. Applied Sociolinguistics. London: Academic, 1984.
MLA (9th ed.) Zitazioa
Trudgill, Peter. Applied Sociolinguistics. Academic, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.