Campbell, D. M. (1914). Colics and their treatment. American journal of veterinary medicine.
Chicago-referens (17:e uppl.)Campbell, Delwin Morton. Colics and Their Treatment. Chicago: American journal of veterinary medicine, 1914.
MLA-referens (8:e uppl.)Campbell, Delwin Morton. Colics and Their Treatment. American journal of veterinary medicine, 1914.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.