Παραπομπή APA

Vincent, R. J. (1974). Non intervention and international order. N.J.Princeton.

Παραπομπή Chicago Style

Vincent, R. J. Non Intervention and International Order. N.J.Princeton, 1974.

Παραπομπή MLA

Vincent, R. J. Non Intervention and International Order. N.J.Princeton, 1974.