↑ Michael Lee Lanning and Dan Cragg, Inside the VC and the NVA, (Ballantine Books, 1993), pp. 120-168
↑ The Oxford English Dictionary, third edition, (September 2007) list alternative spellings in its entry for "punji stake (or stick)": panja, panjee, panjie, panji, and punge all of which the editors note are about as common as the spelling they use.
↑ Hay, Jr.,, Lieutenant General John H. (1989) [1974]. Tactical and materiel innovations. US Army, Vietnam Studies. WASHINGTON, D. C.: United States Army Center of Military. CMH Pub 90-21.
