FAO. (2002). Training modues on conservation agriculture. Rome: Food and Agriculture Organization of the United Nations.
Chicago Style aipamenaFAO. Training Modues On Conservation Agriculture. Rome: Food and Agriculture Organization of the United Nations, 2002.
MLA aipamenaFAO. Training Modues On Conservation Agriculture. Rome: Food and Agriculture Organization of the United Nations, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.