Lowrie, J. A. (1929). Operating expenses in Ohio accredited hatcheries, year 1927. Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lowrie, Josephine A. Operating Expenses in Ohio Accredited Hatcheries, Year 1927. Columbus: Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association, 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lowrie, Josephine A. Operating Expenses in Ohio Accredited Hatcheries, Year 1927. Bureau of Business Research, Ohio State University, co-operating with the Ohio Poultry Improvement Association, 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.