References 
Association, National Rifle. “Master the Prone Shooting Position.” NRA Family. Accessed February 19, 2023. https://www.nrafamily.org/content/master-the-prone-shooting-position-2/.

Cooper, Jeff. “Gunslinging: Shooting's Newest Game!” Guns and Ammo. Guns and Ammo, March 12, 2018. https://www.gunsandammo.com/editorial/gunslinging-shootings-newest-game/247978.
Joseph Campbell, Ph.D. “Top 5 Pistol Shooting Stances.” The Armory Life, March 13, 2022. https://www.thearmorylife.com/top-5-pistol-shooting-stances/.
“Ray Chapman (Marksman).” Wikipedia. Wikimedia Foundation, June 15, 2021. https://en.wikipedia.org/wiki/Ray_Chapman_(marksman).
“Rifle Shooting Positions.” Rifle Shooting Positions - Texas Parks & Wildlife Department, December 18, 2014. https://tpwd.texas.gov/education/hunter-education/online-course/shooting-skills/rifle-positions.
Suárez Gabriel. Tactical Pistol Marksmanship: How to Improve Your Combat Shooting Skills. Boulder, CO: Paladin Press, 2001.