FAO. (1989). FAO quarterly bulletin of statistics: 1989, N.3: Bulletin trimestriel FAO de statistiques. Rome: FAO.
Chicago Style aipamenaFAO. FAO Quarterly Bulletin of Statistics: 1989, N.3: Bulletin Trimestriel FAO De Statistiques. Rome: FAO, 1989.
MLA aipamenaFAO. FAO Quarterly Bulletin of Statistics: 1989, N.3: Bulletin Trimestriel FAO De Statistiques. Rome: FAO, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.