Penggayaan APA
Richards. (2005).
Interchange : student's book 2 (3).
New York:
Cambridge.
Chicago Style
Richards.
Interchange : student's book 2.
3
New York:
Cambridge,
2005.
Text.
MLA Style
Richards.
Interchange : student's book 2.
3
New York:
Cambridge,
2005.
Text.
Turabian Style
Richards.
Interchange : student's book 2.
3
New York:
Cambridge,
2005.
Print.