Hammond, S. J. (2009). Political theory: An encyclopedia of contemporary and classic terms. Greenwood Press.
芝加哥风格引文Hammond, Scott J. Political Theory: An Encyclopedia of Contemporary and Classic Terms. Westport, Conn.: Greenwood Press, 2009.
MLA引文Hammond, Scott J. Political Theory: An Encyclopedia of Contemporary and Classic Terms. Greenwood Press, 2009.
警告：这些引文格式不一定是100％准确.