Reed, E., & Hutchins, R. M. (1963). Challenges to democracy: The next ten years. Published for the Center for the Study of Democratic Institutions by Prager.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रReed, Edward, और Robert M. Hutchins. Challenges to Democracy: The Next Ten Years. New York: Published for the Center for the Study of Democratic Institutions by Prager, 1963.
एमएलए (9वां संस्करण) प्रशस्ति पत्रReed, Edward, और Robert M. Hutchins. Challenges to Democracy: The Next Ten Years. Published for the Center for the Study of Democratic Institutions by Prager, 1963.
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