Purdue University. Agricultural Experiment Station & Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. (1942). Mimeo. [Purdue University, Agricultural Experiment Station].
Chicago-referens (17:e uppl.)Purdue University. Agricultural Experiment Station och Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. Mimeo. [Lafayette, Ind.]: [Purdue University, Agricultural Experiment Station], 1942.
MLA-referens (8:e uppl.)Purdue University. Agricultural Experiment Station och Purdue University. Agricultural Experiment Station. Department of Animal Husbandry. Mimeo. [Purdue University, Agricultural Experiment Station], 1942.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.