Arnold,J E M. (1998). Managing forests as common property. F.A.O.
Chicago Style aipamenaArnold,J E M. Managing Forests as Common Property. Rome: F.A.O, 1998.
MLA aipamenaArnold,J E M. Managing Forests as Common Property. F.A.O, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.