1. AVMA guidelines for the euthanasia of animals;W Underwood,2013
2. Guidelines for euthanasia of nondomestic animals,2006
3. Humane killing of nonhuman animals for disease control purposes;M Raj;Journal of applied animal welfare science,2008
4. AVMA Guidelines for the humane slaughter of animals: 2016 Edition;S Leary,2016
5. Caudell JN, West BC, Griffin B, Davis K. Fostering greater professionalism with firearms in the wildlife arena. In Proceedings of the Wildlife Damage Management Conference 2009 (Vol. 13, pp. 95–99).