APA aipamena

Papua New Guinea. Ministry of Forests. (1979). Revised national forest policy. Ministry of Forests.

Chicago Style aipamena

Papua New Guinea. Ministry of Forests. Revised National Forest Policy. Hohola [Port Moresby]: Ministry of Forests, 1979.

MLA aipamena

Papua New Guinea. Ministry of Forests. Revised National Forest Policy. Ministry of Forests, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.