Vincent, R. J. (1974). Non intervention and international order. N.J.Princeton.
Chicago Style aipamenaVincent, R. J. Non Intervention and International Order. N.J.Princeton, 1974.
MLA aipamenaVincent, R. J. Non Intervention and International Order. N.J.Princeton, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.