Não informado. (1961). Annual Report of the Bean Improvement Cooperative. Colorado State University, Department of Plant Pathology and Weed Science.
Chicago-referens (17:e uppl.)Não informado. Annual Report of the Bean Improvement Cooperative. Fort Collins, Colo: Colorado State University, Department of Plant Pathology and Weed Science, 1961.
MLA-referens (8:e uppl.)Não informado. Annual Report of the Bean Improvement Cooperative. Colorado State University, Department of Plant Pathology and Weed Science, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.