Gaya APA
Cohen, Raymond. (1981).
International politics : the rules of the games .
New York:
Longman.
Gaya Chicago
Cohen, Raymond.
International politics : the rules of the games.
New York:
Longman,
1981.
Text.
Gaya MLA
Cohen, Raymond.
International politics : the rules of the games.
New York:
Longman,
1981.
Text.
Gaya Turabian
Cohen, Raymond.
International politics : the rules of the games.
New York:
Longman,
1981.
Print.