Nebraska. State Board of Agriculture. (1880). Transactions of the State Board of Agriculture, State of Nebraska. Journal Co..
Chicago-referens (17:e uppl.)Nebraska. State Board of Agriculture. Transactions of the State Board of Agriculture, State of Nebraska. Lincoln, Neb.: Journal Co., 1880.
MLA-referens (8:e uppl.)Nebraska. State Board of Agriculture. Transactions of the State Board of Agriculture, State of Nebraska. Journal Co., 1880.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.