Gaya APA
Publication manual of the American Psychological Association. (1994).
Washington:
APA.
Gaya Chicago
Publication manual of the American Psychological Association.
4th.
Washington:
APA,
1994.
Text.
Gaya MLA
Publication manual of the American Psychological Association.
4th.
Washington:
APA,
1994.
Text.
Gaya Turabian
Publication manual of the American Psychological Association.
Washington:
APA,
1994.
Print.