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-viite (17. p.)World Bank, World Bank, Asian Development Bank, ja Australian Agency for International Development. Strategic Directions for Human Development in Papua New Guinea. Washington, D.C.: World Bank, 2007.
MLA-viite (9. p.)World Bank, et al. Strategic Directions for Human Development in Papua New Guinea. World Bank, 2007.
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