International Maize and Wheat Improvement Center. CIMMYT world maize facts and trends. International Maize and Wheat Improvement Center.
Chicago-viite (17. p.)International Maize and Wheat Improvement Center. CIMMYT World Maize Facts and Trends. Mexico, D.F.: International Maize and Wheat Improvement Center.
MLA-viite (8. p.)International Maize and Wheat Improvement Center. CIMMYT World Maize Facts and Trends. International Maize and Wheat Improvement Center.
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