Corwin, E. S. (1957). The President, office and powers: History and analysis of practice and opinion (Forth revised edition.). New York University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCorwin, Edward S. The President, Office and Powers: History and Analysis of Practice and Opinion. Forth revised edition. New York: New York University Press, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCorwin, Edward S. The President, Office and Powers: History and Analysis of Practice and Opinion. Forth revised edition. New York University Press, 1957.
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