Singer, J. . . . . . . . D. (1972). The scientific study of politics: An approach to foreign policy analysis. General Learning Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSinger, J David. The Scientific Study of Politics: An Approach to Foreign Policy Analysis. Morristown: General Learning Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSinger, J David. The Scientific Study of Politics: An Approach to Foreign Policy Analysis. General Learning Press, 1972.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.