Não informado. (1964). Ohio report on research and development. Agricultural Research and Development Center.
Chicago-referens (17:e uppl.)Não informado. Ohio Report on Research and Development. Wooster, Ohio: Agricultural Research and Development Center, 1964.
MLA-referens (8:e uppl.)Não informado. Ohio Report on Research and Development. Agricultural Research and Development Center, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.