Pojman, L. P. (2002). Political philosophy: Classic and contemporary readings. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pojman, Louis P.,ed. Political Philosophy: Classic and Contemporary Readings. Boston: McGraw-Hill, 2002.
Lua MLA (9ú heag.)Pojman, Louis P.,ed. Political Philosophy: Classic and Contemporary Readings. McGraw-Hill, 2002.
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