Ginsberg, G. (2021). First friends: The powerful, unsung (and unelected) people who shaped our presidents (First edition.). Twelve.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGinsberg, Gary. First Friends: The Powerful, Unsung (and Unelected) People Who Shaped Our Presidents. First edition. New York: Twelve, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGinsberg, Gary. First Friends: The Powerful, Unsung (and Unelected) People Who Shaped Our Presidents. First edition. Twelve, 2021.
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