APA (7th ed.) Zitazioa

ebrary, Inc, Andersen, I., & Golitzen, K. G. (2005). The Niger River basin: A vision for sustainable management. World Bank.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Inger Andersen, eta Katherin George Golitzen. The Niger River Basin: A Vision for Sustainable Management. Washington, DC: World Bank, 2005.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. The Niger River Basin: A Vision for Sustainable Management. World Bank, 2005.