(1989). Australia's development cooperation program with Papua New Guinea. Australian Government Publishing Service.
Chicago Style aipamenaAustralia's Development Cooperation Program with Papua New Guinea. Canberra: Australian Government Publishing Service, 1989.
MLA aipamenaAustralia's Development Cooperation Program with Papua New Guinea. Australian Government Publishing Service, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.