Gaya APA
Language in use / Adrian Doff Christopher. (2000).
Cambrige:
University Press,.
Gaya Chicago
Language in use / Adrian Doff Christopher.
Cet.1.
Cambrige:
University Press,,
2000.
Text.
Gaya MLA
Language in use / Adrian Doff Christopher.
Cet.1.
Cambrige:
University Press,,
2000.
Text.
Gaya Turabian
Language in use / Adrian Doff Christopher.
Cambrige:
University Press,,
2000.
Print.