Porter, J. M. (1989). Classics in political philosophy. Prentice-Hall.
芝加哥风格引文Porter, Jene M. Classics in Political Philosophy. Ontorio: Prentice-Hall, 1989.
MLA引文Porter, Jene M. Classics in Political Philosophy. Prentice-Hall, 1989.
警告：这些引文格式不一定是100％准确.