ebrary, Inc, Leopold, D., & Stears, M. (2008). Political theory: Methods and approaches. Oxford University Press.
芝加哥风格引文ebrary, Inc, David Leopold, 与 Marc Stears. Political Theory: Methods and Approaches. Oxford ; New York: Oxford University Press, 2008.
MLA引文ebrary, Inc, et al. Political Theory: Methods and Approaches. Oxford University Press, 2008.
警告：这些引文格式不一定是100％准确.