APA استشهاد

Arnold,J E M. (1998). Managing forests as common property. F.A.O.

استشهاد بنمط شيكاغو

Arnold,J E M. Managing Forests as Common Property. Rome: F.A.O, 1998.

MLA استشهاد

Arnold,J E M. Managing Forests as Common Property. F.A.O, 1998.