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MLA

National Animal Health Monitoring System (U.S.). "Dairy 2002 : Johne's Disease On U.s. Dairy Operations, 2002." ,

APA

National Animal Health Monitoring System (U.S.), N. Animal Health Monitoring System (U.S.). (2005). Dairy 2002 : Johne's disease on U.S. dairy operations, 2002.

Chicago

National Animal Health Monitoring System (U.S.) "Dairy 2002 : Johne's disease on U.S. dairy operations, 2002" (2005):