Gaya APA
Art, Robert J,. (2015).
International politics .
London:
Pearson Education.
Gaya Chicago
Art, Robert J,.
International politics.
London:
Pearson Education,
2015.
Text.
Gaya MLA
Art, Robert J,.
International politics.
London:
Pearson Education,
2015.
Text.
Gaya Turabian
Art, Robert J,.
International politics.
London:
Pearson Education,
2015.
Print.