Παραπομπή σε μορφή APA (7η εκδ.)

Penrose, E. F. (1965). The revolution in international relations: A study in the changing nature and balance of power. Cass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. [London]: Cass, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. Cass, 1965.