Poultry Science Association\nAmerican Association of Instructors and Investigators in Poultry Husbandry\nSouthern Poultry Science Society\nPoultry Science Association. Meeting\nSouthern Poultry Science Society. Meeting. (1921). Poultry Science. Poultry Science Association.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Poultry Science Association\nAmerican Association of Instructors and Investigators in Poultry Husbandry\nSouthern Poultry Science Society\nPoultry Science Association. Meeting\nSouthern Poultry Science Society. Meeting. Poultry Science. Champaign, Ill: Poultry Science Association, 1921.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Poultry Science Association\nAmerican Association of Instructors and Investigators in Poultry Husbandry\nSouthern Poultry Science Society\nPoultry Science Association. Meeting\nSouthern Poultry Science Society. Meeting. Poultry Science. Poultry Science Association, 1921.