Fehr, W. (1987). Principles of cultivar development V.2: Crop species. Macmillan Company.
Chicago Edition CitationFehr, W.R. Principles of Cultivar Development V.2: Crop Species. New York: Macmillan Company, 1987.
MLA Edition CitationFehr, W.R. Principles of Cultivar Development V.2: Crop Species. Macmillan Company, 1987.
Warning: These citations may not always be 100% accurate.