APA Style
Trudgill, Peter. (1974).
Sociolinguistics : An introduction .
Inggris:
Penguin Books.
Chicago Style
Trudgill, Peter.
Sociolinguistics : An introduction.
Inggris:
Penguin Books,
1974.
Text.
MLA Style
Trudgill, Peter.
Sociolinguistics : An introduction.
Inggris:
Penguin Books,
1974.
Text.
Turabian Style
Trudgill, Peter.
Sociolinguistics : An introduction.
Inggris:
Penguin Books,
1974.
Print.