Ronald Bellefontaine... [et al.]. (2002). Trees outside forests: Towards better awareness. Rome, Italy: FAO.
Chicago Style aipamenaRonald Bellefontaine... [et al.]. Trees Outside Forests: Towards Better Awareness. Rome, Italy: FAO, 2002.
MLA aipamenaRonald Bellefontaine... [et al.]. Trees Outside Forests: Towards Better Awareness. Rome, Italy: FAO, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.