Dyfyniad APA

(2005). The Niger river Basin: A vision for sustainable management. World Bank.

Dyfyniad Arddull Chicago

The Niger River Basin: A Vision for Sustainable Management. Washington: World Bank, 2005.

Dyfyniad MLA

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.