UNASYLVA. (2002). Forest biological diversity. Rome, Italy: FAO.
Chicago Style aipamenaUNASYLVA. Forest Biological Diversity. Rome, Italy: FAO, 2002.
MLA aipamenaUNASYLVA. Forest Biological Diversity. Rome, Italy: FAO, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.