ebrary, Inc, & Bell, D. (2009). Political thought and international relations: Variations on a realist theme. Oxford University Press.
芝加哥风格引文ebrary, Inc, 与 Duncan Bell. Political Thought and International Relations: Variations on a Realist Theme. Oxford ; New York: Oxford University Press, 2009.
MLA引文ebrary, Inc, 与 Duncan Bell. Political Thought and International Relations: Variations on a Realist Theme. Oxford University Press, 2009.
警告：这些引文格式不一定是100％准确.