Pennsylvania. Dept. of Agriculture. Dairy and Food Division. (1903). Monthly bulletin of the Dairy and Food Division. WM. Stanley Ray, Office of the State Printer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pennsylvania. Dept. of Agriculture. Dairy and Food Division. Monthly Bulletin of the Dairy and Food Division. Harrisburg, Pa.: WM. Stanley Ray, Office of the State Printer, 1903.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pennsylvania. Dept. of Agriculture. Dairy and Food Division. Monthly Bulletin of the Dairy and Food Division. WM. Stanley Ray, Office of the State Printer, 1903.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.