(2005). The Niger river Basin: A vision for sustainable management. World Bank.
Chicagoスタイル(17版)引用形式The Niger River Basin: A Vision for Sustainable Management. Washington: World Bank, 2005.
MLA(9版)引用形式The Niger River Basin: A Vision for Sustainable Management. World Bank, 2005.
警告: この引用は必ずしも正確ではありません.