Gaya APA
PUBLICATION MANUAL. (2002).
Washington, D.C:
American Psychological Association.
Gaya Chicago
PUBLICATION MANUAL.
.
Washington, D.C:
American Psychological Association,
2002.
Text.
Gaya MLA
PUBLICATION MANUAL.
.
Washington, D.C:
American Psychological Association,
2002.
Text.
Gaya Turabian
PUBLICATION MANUAL.
Washington, D.C:
American Psychological Association,
2002.
Print.