Gaya APA
Wardhaugh, Ronald. (1992).
An Introduction to Sociolinguistics (ed.2).
Cambridge:
Blakwell.
Gaya Chicago
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
ed.2
Cambridge:
Blakwell,
1992.
Text.
Gaya MLA
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
ed.2
Cambridge:
Blakwell,
1992.
Text.
Gaya Turabian
Wardhaugh, Ronald.
An Introduction to Sociolinguistics.
ed.2
Cambridge:
Blakwell,
1992.
Print.