Donald L Buth, Frank n Dickinson, & Richard C Foley. (1972). Dairy cattle: Principles practices, problems, profits. Lea & Febiger.
Chicago Edition CitationDonald L Buth, Frank n Dickinson, i Richard C Foley. Dairy Cattle: Principles Practices, Problems, Profits. Lea & Febiger, 1972.
Cita MLADonald L Buth, et al. Dairy Cattle: Principles Practices, Problems, Profits. Lea & Febiger, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.