World Bank, World Bank, Asian Development Bank, & Australian Agency for International Development. (2007). Strategic directions for human development in Papua New Guinea. World Bank.
Chicago-referens (17:e uppl.)World Bank, World Bank, Asian Development Bank, och Australian Agency for International Development. Strategic Directions for Human Development in Papua New Guinea. Washington, D.C.: World Bank, 2007.
MLA-referens (9:e uppl.)World Bank, et al. Strategic Directions for Human Development in Papua New Guinea. World Bank, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.