Penggayaan APA
Perry, Marvin. (1980).
Unifinished journey a world history .
USA:
Houghton Mifflin Company.
Chicago Style
Perry, Marvin.
Unifinished journey a world history.
USA:
Houghton Mifflin Company,
1980.
Text.
MLA Style
Perry, Marvin.
Unifinished journey a world history.
USA:
Houghton Mifflin Company,
1980.
Text.
Turabian Style
Perry, Marvin.
Unifinished journey a world history.
USA:
Houghton Mifflin Company,
1980.
Print.