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.
Chicago-referens (17:e uppl.)Ohio State University. Department of Rural Economics and Rural Sociology och Ohio Agricultural Experiment Station. Mimeograph Bulletin. Columbus, Ohio: Ohio State University and Ohio Agricultural Experiment Station, 1941.
MLA-referens (8:e uppl.)Ohio State University. Department of Rural Economics and Rural Sociology och Ohio Agricultural Experiment Station. Mimeograph Bulletin. Ohio State University and Ohio Agricultural Experiment Station, 1941.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.