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