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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.