Nguồn Khoảng cách hợp lý

  • Snepp, Frank (1978). Decent Interval: An Insider's Account of Saigon's Indecent End Told by the CIA's Chief Strategy Analyst in Vietnam (bằng tiếng Anh). Vintage Books. ISBN 0-394-72691-X.  Paperback ed.
  • Kimball, Jeffrey P. (2004). The Vietnam War Files: Uncovering the Secret History of Nixon-era Strategy (bằng tiếng Anh). University Press of Kansas. ISBN 978-0-7006-1283-3. 
  • Hanhimäki, Jussi (2003). “Selling the 'Decent interval': Kissinger, triangular diplomacy, and the end of the Vietnam war, 1971-73”. Diplomacy & Statecraft 14 (1): 159–194. doi:10.1080/09592290412331308771. 
  • Hughes, Ken (2010). “Fatal Politics: Nixon's Political Timetable for Withdrawing from Vietnam”. Diplomatic History 34 (3): 497–506. doi:10.1111/j.1467-7709.2010.00864.x. 
  • Hughes, Ken (2015). Fatal Politics: The Nixon Tapes, the Vietnam War, and the Casualties of Reelection (bằng tiếng Anh). University of Virginia Press. ISBN 978-0-8139-3803-5. 
  • Record, Jeffrey (2010). “Leaving Vietnam: Insights for Iraq?”. Diplomatic History 34 (3): 567–576. doi:10.1111/j.1467-7709.2010.00870.x. 
  • Kadura, Johannes (2016). The War After the War: The Struggle for Credibility During America's Exit From Vietnam. Cornell University Press. ISBN 978-0801453960.