Gaya APA
Nicholson, Michael. (1989).
Formal theories in international relations (Buku Hubungan Internasonal) .
New York & London:
Cambridge University Press.
Gaya Chicago
Nicholson, Michael.
Formal theories in international relations (Buku Hubungan Internasonal).
New York & London:
Cambridge University Press,
1989.
Text.
Gaya MLA
Nicholson, Michael.
Formal theories in international relations (Buku Hubungan Internasonal).
New York & London:
Cambridge University Press,
1989.
Text.
Gaya Turabian
Nicholson, Michael.
Formal theories in international relations (Buku Hubungan Internasonal).
New York & London:
Cambridge University Press,
1989.
Print.