O'Connor, H. (1937). The Guggenheims: The making of an American dynasty / by Harvey O'Connor. Covici, Friede.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Connor, Harvey. The Guggenheims: The Making of an American Dynasty / by Harvey O'Connor. New York: Covici, Friede, 1937.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Connor, Harvey. The Guggenheims: The Making of an American Dynasty / by Harvey O'Connor. Covici, Friede, 1937.
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