Ohio State Board of Agriculture. (1858). Annual report of the Ohio State Board of Agriculture. s.n.].
Chicago-referens (17:e uppl.)Ohio State Board of Agriculture. Annual Report of the Ohio State Board of Agriculture. [S.l.: s.n.], 1858.
MLA-referens (8:e uppl.)Ohio State Board of Agriculture. Annual Report of the Ohio State Board of Agriculture. s.n.], 1858.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.