Shoup, E. L. (1948). The national government of the American people. Ginn.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShoup, Earl Leon. The National Government of the American People. Boston: Ginn, 1948.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShoup, Earl Leon. The National Government of the American People. Ginn, 1948.
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