International Maize and Wheat Improvement Center & Perrin, R. (1988). From agronomic data to farmer recommendations: An economics training manual (Rev. ed.). CIMMYT.
Chicago Style (17. basım) AtıfInternational Maize and Wheat Improvement Center ve Richard Perrin. From Agronomic Data to Farmer Recommendations: An Economics Training Manual. Rev. ed. Mexico: CIMMYT, 1988.
MLA (9th ed.) AtıfInternational Maize and Wheat Improvement Center ve Richard Perrin. From Agronomic Data to Farmer Recommendations: An Economics Training Manual. Rev. ed. CIMMYT, 1988.
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