(1956). The Changing environment of international relations. Washington.
Trích dẫn kiểu ChicagoThe Changing Environment of International Relations. Washington, 1956.
Deismireacht MLAThe Changing Environment of International Relations. Washington, 1956.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.