Cita APA (7th ed.)

Paerkins, P. (2001). International Relations. CBS publications.

Cita Chicago (17th ed.)

Paerkins, Palmer. International Relations. colorado: CBS publications, 2001.

Cita MLA (9th ed.)

Paerkins, Palmer. International Relations. CBS publications, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.