Hart, J. (1925). The ordinance making powers of the President of the United States. The Johns Hopkins Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHart, James. The Ordinance Making Powers of the President of the United States. Baltimore: The Johns Hopkins Press, 1925.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHart, James. The Ordinance Making Powers of the President of the United States. The Johns Hopkins Press, 1925.
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