V Mary John. (1992). Parecentage control in cattle using blood types. College of veterinary and animal sciences.
Chicago-stil citatV Mary John. Parecentage Control in Cattle Using Blood Types. College of veterinary and animal sciences, 1992.
MLA-referensV Mary John. Parecentage Control in Cattle Using Blood Types. College of veterinary and animal sciences, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.