Não informado. (1982). Ohio report. Agricultural Research and Development Center.
Chicago-referens (17:e uppl.)Não informado. Ohio Report. Wooster, Ohio: Agricultural Research and Development Center, 1982.
MLA-referens (8:e uppl.)Não informado. Ohio Report. Agricultural Research and Development Center, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.