Parel, A., & Keith, R. C. (1992). Comparative political philosophy: Studies under the upas tree. Sage.
Chicago Style (17. basım) AtıfParel, Anthony, ve Ronald C. Keith. Comparative Political Philosophy: Studies Under the Upas Tree. New Delhi ; Newbury Park, Calif.: Sage, 1992.
MLA (8th ed.) AtıfParel, Anthony, ve Ronald C. Keith. Comparative Political Philosophy: Studies Under the Upas Tree. Sage, 1992.
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