Penrose, E. F. (1965). The revolution in international relations: A study in the changing nature and balance of power. Cass.
芝加哥风格引文Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. [London]: Cass, 1965.
MLA引文Penrose, Ernest Francis. The Revolution in International Relations: A Study in the Changing Nature and Balance of Power. Cass, 1965.
警告：这些引文格式不一定是100％准确.