Gaya APA
Puchala, Donald James. (1971).
International politics today .
New York:
Harper &Row Publisher.
Gaya Chicago
Puchala, Donald James.
International politics today.
New York:
Harper &Row Publisher,
1971.
Text.
Gaya MLA
Puchala, Donald James.
International politics today.
New York:
Harper &Row Publisher,
1971.
Text.
Gaya Turabian
Puchala, Donald James.
International politics today.
New York:
Harper &Row Publisher,
1971.
Print.