(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.
Trích dẫn kiểu ChicagoHog 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引文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, 1981.
警告：這些引文格式不一定是100％准確.