(1981). Hog cholera and its eradication: A review of U.S. experience. [Washington, D.C.]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service.
Chicago-stil citatHog Cholera and Its Eradication: A Review of U.S. Experience. [Washington, D.C.]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1981.
MLA-referensHog Cholera and Its Eradication: A Review of U.S. Experience. [Washington, D.C.]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.