References
- FM 3-21.220 (2003). Static Line Parachuting Techniques and Training. Washington. DC: Author.
- FM 57-1/AFM 2-51 (1981). US Army/US Air Force Doctrine for Airborne Operations. Washington. DC: Author.
- Ivanov, N. (1976). Parachute Jump Training. Sofia: Military Technical Publishing.
- Krastev, K. (2017). Modern Approaches in the Training of Military Police Cadets at Vasil Levski National Military University. Proceedings of The 23rd International Conference – The Knowledge-Based Organization. Sibiu, 172-178.
- Krastev, S., Simeonov, S. & Baychev, D. (1980). Parachute Jumps Training Manual. Sofia: Military Technical Publishing.
- Ministry of Defense. (1978). Theory and Practice of Parachute Jumps Training. Sofia: Military Technical Publishing.
- Ministry of Defense. (1998). Instruction on Parachute Jumps Training, Sofia: Military Technical Publishing.
- Ministry of Defense. (2008). Instruction for Parachute Jumps from C-27 J. Sofia: Author.
- Ministry of Defense. (2009). Technical Manual – Field Maintenance Manual Including Repair Parts and Special Tools Lists for MC-6 Personnel Parachute System. Sofia: Author.
- Vasil Levski National Military University. (2016). Basics of Parachute Jumps Training Syllabus. Veliko Tarnovo: Author.