Não informado. (2001). Annual Report. Ohio Agricultural Research and Development Center.
Chicago-referens (17:e uppl.)Não informado. Annual Report. Wooster, Ohio: Ohio Agricultural Research and Development Center, 2001.
MLA-referens (8:e uppl.)Não informado. Annual Report. Ohio Agricultural Research and Development Center, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.