Cornwell, E. E. (1965). Presidential leadership of public opinion. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCornwell, Elmer E. Presidential Leadership of Public Opinion. Bloomington: Indiana University Press, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCornwell, Elmer E. Presidential Leadership of Public Opinion. Indiana University Press, 1965.
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