Gaya APA
Wardhaugh, Ronald. (1988).
An introduction to sociolinguistics .
Oxford:
Basil Blackwell.
Gaya Chicago
Wardhaugh, Ronald.
An introduction to sociolinguistics.
Oxford:
Basil Blackwell,
1988.
Text.
Gaya MLA
Wardhaugh, Ronald.
An introduction to sociolinguistics.
Oxford:
Basil Blackwell,
1988.
Text.
Gaya Turabian
Wardhaugh, Ronald.
An introduction to sociolinguistics.
Oxford:
Basil Blackwell,
1988.
Print.