Coburn, F. D. (1907). Alfalfa, lucerne, Spanish trefoil, Chilian clover, Brazilian clover, French clover, medic, purple medic -- (Medicago sativa): Practical information on its production, qualities, worth and uses, especially in the United States and Canada. Orange Judd Co..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCoburn, F. D. Alfalfa, Lucerne, Spanish Trefoil, Chilian Clover, Brazilian Clover, French Clover, Medic, Purple Medic -- (Medicago Sativa): Practical Information on Its Production, Qualities, Worth and Uses, Especially in the United States and Canada. New York: Orange Judd Co., 1907.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCoburn, F. D. Alfalfa, Lucerne, Spanish Trefoil, Chilian Clover, Brazilian Clover, French Clover, Medic, Purple Medic -- (Medicago Sativa): Practical Information on Its Production, Qualities, Worth and Uses, Especially in the United States and Canada. Orange Judd Co., 1907.