North Dakota Livestock Breeders Association. (1922). The Northern livestock breeder. Northern Pub. Co..
Chicago-referens (17:e uppl.)North Dakota Livestock Breeders Association. The Northern Livestock Breeder. Lisbon, N.D.: Northern Pub. Co., 1922.
MLA-referens (8:e uppl.)North Dakota Livestock Breeders Association. The Northern Livestock Breeder. Northern Pub. Co., 1922.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.