APA (7th ed.) Zitazioa
World Bank, Asian Development Bank, Australian Agency for International Development, & ebrary, Inc. (2007). Strategic directions for human development in Papua New Guinea. World Bank.
Chicago Style (17th ed.) Zitazioa
World Bank, Asian Development Bank, Australian Agency for International Development, eta Inc ebrary. Strategic Directions for Human Development in Papua New Guinea. Washington, D.C.: World Bank, 2007.
MLA (9th ed.) Zitazioa
World Bank, et al. Strategic Directions for Human Development in Papua New Guinea. World Bank, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.