APA
Trudgill peter, . (1995). Sociolinguistics An introd. To language & society. : London Penguin Books.
Chicago
Trudgill peter, . 1995. Sociolinguistics An introd. To language & society. : London Penguin Books.
Harvard
Trudgill peter, . (1995). Sociolinguistics An introd. To language & society. : London Penguin Books.
MLA
Trudgill peter, . Sociolinguistics An introd. To language & society. : London Penguin Books. 1995.