Cita APA

Palmer, N. D., & Perkins Howard, C. (2012). International relations. ATBS Pub.

Chicago Edition Citation

Palmer, Norman D., i C. Perkins Howard. International Relations. ATBS Pub, 2012.

Cita MLA

Palmer, Norman D., i C. Perkins Howard. International Relations. ATBS Pub, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.