Oppenheim, L., & Roxburgh, R. (1955). International law: A treatise. Longmas.
芝加哥风格引文Oppenheim, L., 与 Ronald Roxburgh. International Law: A Treatise. London: Longmas, 1955.
MLA引文Oppenheim, L., 与 Ronald Roxburgh. International Law: A Treatise. Longmas, 1955.
警告：这些引文格式不一定是100％准确.