North American Symposium on Bovine Respiratory Disease Amarillo, Tex., Texas Agricultural Experiment Station, Texas A & M University. College of Veterinary Medicine, Regional Research Technical Committee, NC 107 Bovine Respiratory Diseases, & Loan, R. W. (1984). Bovine respiratory disease: A symposium. Texas A & M University Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)North American Symposium on Bovine Respiratory Disease Amarillo, Tex., Texas Agricultural Experiment Station, Texas A & M University. College of Veterinary Medicine, NC 107 Bovine Respiratory Diseases Regional Research Technical Committee, và Raymond W. Loan. Bovine Respiratory Disease: A Symposium. College Station, Tex.: Texas A & M University Press, 1984.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)North American Symposium on Bovine Respiratory Disease Amarillo, Tex., et al. Bovine Respiratory Disease: A Symposium. Texas A & M University Press, 1984.