International Institute of Tropical Agriculture & Mutsaers, H. J. W. (1997). A field guide for on-farm experimentation. International Institute of Tropical Agriculture.
Chicago Style (17. basım) AtıfInternational Institute of Tropical Agriculture ve H. J. W. Mutsaers. A Field Guide for On-farm Experimentation. Ibadan, Nigeria: International Institute of Tropical Agriculture, 1997.
MLA (8th ed.) AtıfInternational Institute of Tropical Agriculture ve H. J. W. Mutsaers. A Field Guide for On-farm Experimentation. International Institute of Tropical Agriculture, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..