APA-viite (7. p.)
Trudgill, P. (1983). Sociolinguistics: An introduction to language and society. Penguin Books.
Chicago-viite (17. p.)
Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. London: Penguin Books, 1983.
MLA-viite (9. p.)
Trudgill, Peter. Sociolinguistics: An Introduction to Language and Society. Penguin Books, 1983.
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