Purdue University. Agricultural Experiment Station & Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. (1942). Mimeo. [Purdue University, Agricultural Experiment Station].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Purdue University. Agricultural Experiment Station و Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. Mimeo. [Lafayette, Ind.]: [Purdue University, Agricultural Experiment Station], 1942.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Purdue University. Agricultural Experiment Station و Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. Mimeo. [Purdue University, Agricultural Experiment Station], 1942.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.