APA Style
Wardhaugh, Ronald. (1998).
An Introduction to Sociolinguistics (Edisi ke- 3).
United States Of America:
Blackwell Publishers,Inc.
Chicago Style
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
Edisi ke- 3
United States Of America:
Blackwell Publishers,Inc,
1998.
Text.
MLA Style
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
Edisi ke- 3
United States Of America:
Blackwell Publishers,Inc,
1998.
Text.
Turabian Style
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
Edisi ke- 3
United States Of America:
Blackwell Publishers,Inc,
1998.
Print.