Morris, B., Boehm, K., & Geller, M. (1990). The European Community (3rd ed.). Macmillan.
芝加哥风格引文Morris, Brian, Klaus Boehm, 与 Maurice Geller. The European Community. 3rd ed. Basingstoke: Macmillan, 1990.
MLA引文Morris, Brian, et al. The European Community. 3rd ed. Macmillan, 1990.
警告：这些引文格式不一定是100％准确.