Hacker, A. (1961). POLITICAL THEORY: Philosophy, Ideology, Science. The Macmillan Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHacker, Andrew. POLITICAL THEORY: Philosophy, Ideology, Science. New York: The Macmillan Company, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHacker, Andrew. POLITICAL THEORY: Philosophy, Ideology, Science. The Macmillan Company, 1961.
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