Gaya APA
Wardhaugh, Ronald. (1992).
An Introduction To Sociolinguistic .
Amerika:
Blackwell.
Gaya Chicago
Wardhaugh, Ronald.
An Introduction To Sociolinguistic.
Amerika:
Blackwell,
1992.
Text.
Gaya MLA
Wardhaugh, Ronald.
An Introduction To Sociolinguistic.
Amerika:
Blackwell,
1992.
Text.
Gaya Turabian
Wardhaugh, Ronald.
An Introduction To Sociolinguistic.
Amerika:
Blackwell,
1992.
Print.