Ohio State University. Department of Rural Economics and Rural Sociology & Ohio Agricultural Experiment Station. (1941). Mimeograph bulletin. Ohio State University and Ohio Agricultural Experiment Station.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ohio State University. Department of Rural Economics and Rural Sociology و Ohio Agricultural Experiment Station. Mimeograph Bulletin. Columbus, Ohio: Ohio State University and Ohio Agricultural Experiment Station, 1941.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ohio State University. Department of Rural Economics and Rural Sociology و Ohio Agricultural Experiment Station. Mimeograph Bulletin. Ohio State University and Ohio Agricultural Experiment Station, 1941.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.