Παραπομπή APA

Donald L Buth, Frank n Dickinson, & Richard C Foley. (1972). Dairy cattle: Principles practices, problems, profits. Lea & Febiger.

Παραπομπή Chicago Style

Donald L Buth, Frank n Dickinson, και Richard C Foley. Dairy Cattle: Principles Practices, Problems, Profits. Lea & Febiger, 1972.

Παραπομπή MLA

Donald L Buth, et al. Dairy Cattle: Principles Practices, Problems, Profits. Lea & Febiger, 1972.