Robertson, A. H. (1959). European institutions: Cooperation, integration, unification. Stevens.
芝加哥风格引文Robertson, Arthur Henry. European Institutions: Cooperation, Integration, Unification. London: Stevens, 1959.
MLA引文Robertson, Arthur Henry. European Institutions: Cooperation, Integration, Unification. Stevens, 1959.
警告：这些引文格式不一定是100％准确.