FAO. (1992). FAO farm systems management series N.5: Institutionalization of a farming systems approach to development. Rome: FAO.
Παραπομπή Chicago StyleFAO. FAO Farm Systems Management Series N.5: Institutionalization of a Farming Systems Approach to Development. Rome: FAO, 1992.
Παραπομπή MLAFAO. FAO Farm Systems Management Series N.5: Institutionalization of a Farming Systems Approach to Development. Rome: FAO, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.