APA

CIMMYT. International Maize and Wheat Improvement Center. MexicoME, .1993 annual report. Mexico: .

Chicago

CIMMYT. International Maize and Wheat Improvement Center. MexicoME, .1993 annual report. Mexico: .

Harvard

CIMMYT. International Maize and Wheat Improvement Center. MexicoME, .1993 annual report. Mexico: .

MLA

CIMMYT. International Maize and Wheat Improvement Center. MexicoME, .Mexico: . .