Gaya APA
State Of The World 2002. (2002).
New York:
W.W.Norton Company.
Gaya Chicago
State Of The World 2002.
Pertama.
New York:
W.W.Norton Company,
2002.
Text.
Gaya MLA
State Of The World 2002.
Pertama.
New York:
W.W.Norton Company,
2002.
Text.
Gaya Turabian
State Of The World 2002.
New York:
W.W.Norton Company,
2002.
Print.