Alter, C. (2014). The problem with pit bulls. TIME. Retrieved from http://time.com/2891180/kfc-and-the-pit-bull-attack-of-a-little-girl/
American Veterinary Medical Association Animal Welfare Division (AVMAAWD). (2015). Dog bite risk and prevention: The role of breed. AVMA. Retrieved from https://www.avma.org/KB/Resources/LiteratureReviews/Pages/The-Role-of-Breed-in-Dog-Bite-Risk-and-Prevention.aspx
Kustritz, MV. (2012). Effects of surgical sterilization on canine and feline health and on society. Reproduction in Domestic Animals. Retrieved from http://www.tc.umn.edu/~rootk001/icar%202012.pdf
Talleno, Nan. (2013). The softer side of pit bulls. CBS. Retrieved from http://philadelphia.cbslocal.com/2013/02/19/the-softer-side-of-pit-bulls/