Cooper, Tom (1 September 2003). "El Salvador, 1980–1992". Air Combat Information Group. Archived from the original on 5 November 2008. Retrieved 3 September 2007.
Chapman, S. "Up from Kitty Hawk: 1954–63"(PDF). Air Force Magazine, Air Force Association. Archived from the original(PDF) on 24 May 2011. Retrieved 5 October 2008.
"Bell UH-1V 'Huey'". Delaware Valley Historical Aircraft Association. March 2008. Archived from the original on 11 May 2008. Retrieved 25 February 2009.
Stackpool, Andrew (22 July 2010). "40 Years of Top Service". Army. Canberra, Australia: Directorate of Defence Newspapers. p. 10. Archived from the original on 17 December 2014. Retrieved 28 February 2013.
"Bell UH-1V 'Huey'". Delaware Valley Historical Aircraft Association. March 2008. Archived from the original on 11 May 2008. Retrieved 25 February 2009.
Chapman, S. "Up from Kitty Hawk: 1954–63"(PDF). Air Force Magazine, Air Force Association. Archived from the original(PDF) on 24 May 2011. Retrieved 5 October 2008.
Stackpool, Andrew (22 July 2010). "40 Years of Top Service". Army. Canberra, Australia: Directorate of Defence Newspapers. p. 10. Archived from the original on 17 December 2014. Retrieved 28 February 2013.
Cooper, Tom (1 September 2003). "El Salvador, 1980–1992". Air Combat Information Group. Archived from the original on 5 November 2008. Retrieved 3 September 2007.