Gaya APA
Greenstein, Fred (ed). (1975).
International politics .
London:
Addison-Wesley.
Gaya Chicago
Greenstein, Fred (ed).
International politics.
London:
Addison-Wesley,
1975.
Text.
Gaya MLA
Greenstein, Fred (ed).
International politics.
London:
Addison-Wesley,
1975.
Text.
Gaya Turabian
Greenstein, Fred (ed).
International politics.
London:
Addison-Wesley,
1975.
Print.