Gaya APA
Cole, J.P.. (1979).
Geography of world affairs (5th ed).
New York:
Penguin Books.
Gaya Chicago
Cole, J.P..
Geography of world affairs.
5th ed
New York:
Penguin Books,
1979.
Text.
Gaya MLA
Cole, J.P..
Geography of world affairs.
5th ed
New York:
Penguin Books,
1979.
Text.
Gaya Turabian
Cole, J.P..
Geography of world affairs.
5th ed
New York:
Penguin Books,
1979.
Print.