Gaya APA
Goldstein, Joshua S.. (2012).
International Relations .
Boston:
Peason Longman.
Gaya Chicago
Goldstein, Joshua S..
International Relations.
Boston:
Peason Longman,
2012.
Buku.
Gaya MLA
Goldstein, Joshua S..
International Relations.
Boston:
Peason Longman,
2012.
Buku.
Gaya Turabian
Goldstein, Joshua S..
International Relations.
Boston:
Peason Longman,
2012.
Buku.