Hill, C., & Newbern, G. (2016). Five presidents: My extraordinary journey with eisenhower, kennedy, johnson, nixon, and ford (Unabridged.). Simon & Schuster Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHill, Clint, और George Newbern. Five Presidents: My Extraordinary Journey with Eisenhower, Kennedy, Johnson, Nixon, and Ford. Unabridged. New York: Simon & Schuster Audio, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHill, Clint, और George Newbern. Five Presidents: My Extraordinary Journey with Eisenhower, Kennedy, Johnson, Nixon, and Ford. Unabridged. Simon & Schuster Audio, 2016.
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