"The Defense of Saigon"(PDF). Project CHECO, Pacific Air Force. 14 December 1968. pp. 8–9. Archived from the original(PDF) on 17 June 2018. Retrieved 27 June 2018.
u-s-history.com
"Tet Offensive". www.u-s-history.com. Retrieved 3 March 2019.
"The Defense of Saigon"(PDF). Project CHECO, Pacific Air Force. 14 December 1968. pp. 8–9. Archived from the original(PDF) on 17 June 2018. Retrieved 27 June 2018.