Torkelson, J. (2002). Perirectal abscess, colic, and dyschezia in a horse. Canadian Veterinary Medical Association.
Chicago Style aipamenaTorkelson, Joel. Perirectal Abscess, Colic, and Dyschezia in a Horse. Canadian Veterinary Medical Association, 2002.
MLA aipamenaTorkelson, Joel. Perirectal Abscess, Colic, and Dyschezia in a Horse. Canadian Veterinary Medical Association, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.