Lopez, G. A. (1989). International relations: Contemporary theory and practice. CQ.
芝加哥风格引文Lopez, George A. International Relations: Contemporary Theory and Practice. Washington, D.C.: CQ, 1989.
MLA引文Lopez, George A. International Relations: Contemporary Theory and Practice. CQ, 1989.
警告：这些引文格式不一定是100％准确.