Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.