International Institute of Rural Reconstruction, Philippines. Dept. of Environment and Natural Resources, & Ford Foundation. (1998). Crops and Cropping systems. International Institute of Rural Reconstruction.
Citazione stile Chigago Style (17a edizione)International Institute of Rural Reconstruction, Philippines. Dept. of Environment and Natural Resources, e Ford Foundation. Crops and Cropping Systems. Silang, Cavite: International Institute of Rural Reconstruction, 1998.
Citatione MLA (9a ed.)International Institute of Rural Reconstruction, et al. Crops and Cropping Systems. International Institute of Rural Reconstruction, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.