Ohio Agricultural Research and Development Center. (1965). Research circular - Ohio Agricultural Research and Development Center. Ohio Agricultural Research and Development Center.
Chicago-referens (17:e uppl.)Ohio Agricultural Research and Development Center. Research Circular - Ohio Agricultural Research and Development Center. Wooster: Ohio Agricultural Research and Development Center, 1965.
MLA-referens (8:e uppl.)Ohio Agricultural Research and Development Center. Research Circular - Ohio Agricultural Research and Development Center. Ohio Agricultural Research and Development Center, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.