APA aipamena

FAO. (1991). FAO yearbook production: 1991, Vol.45: FAO annuaire production. Rome: FAO.

Chicago Style aipamena

FAO. FAO Yearbook Production: 1991, Vol.45: FAO Annuaire Production. Rome: FAO, 1991.

MLA aipamena

FAO. FAO Yearbook Production: 1991, Vol.45: FAO Annuaire Production. Rome: FAO, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.