Whipple, C. (2017). The gatekeepers: How the White House Chiefs of Staff define every presidency (First edition.). Crown.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWhipple, Chris. The Gatekeepers: How the White House Chiefs of Staff Define Every Presidency. First edition. New York: Crown, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWhipple, Chris. The Gatekeepers: How the White House Chiefs of Staff Define Every Presidency. First edition. Crown, 2017.
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