International Institute of Tropical Agriculture & Mutsaers, H. J. W. (1997). A field guide for on-farm experimentation. International Institute of Tropical Agriculture.
Citazione stile Chigago Style (17a edizione)International Institute of Tropical Agriculture e H. J. W. Mutsaers. A Field Guide for On-farm Experimentation. Ibadan, Nigeria: International Institute of Tropical Agriculture, 1997.
Citatione MLA (8a ed.)International Institute of Tropical Agriculture e H. J. W. Mutsaers. A Field Guide for On-farm Experimentation. International Institute of Tropical Agriculture, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.