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