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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.