United Nations Development Programme. (1983). United Nations directory of the UN family of agencies, Papua New Guinea. United Nations Development Programme.
Chicago-Zitierstil (17. Ausg.)United Nations Development Programme. United Nations Directory of the UN Family of Agencies, Papua New Guinea. Port Moresby: United Nations Development Programme, 1983.
MLA-Zitierstil (9. Ausg.)United Nations Development Programme. United Nations Directory of the UN Family of Agencies, Papua New Guinea. United Nations Development Programme, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.