APA aipamena

FAO. (1989). FAO forestry paper N.90: Forestry and food security. Rome: FAO.

Chicago Style aipamena

FAO. FAO Forestry Paper N.90: Forestry and Food Security. Rome: FAO, 1989.

MLA aipamena

FAO. FAO Forestry Paper N.90: Forestry and Food Security. Rome: FAO, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.