yesfu, t. m. (1962). manpower and economic development in nigeria. the institute of national planning.
Chicagoスタイル(17版)引用形式yesfu, t. m. Manpower and Economic Development in Nigeria. cairo: the institute of national planning, 1962.
MLA(9版)引用形式yesfu, t. m. Manpower and Economic Development in Nigeria. the institute of national planning, 1962.
警告: この引用は必ずしも正確ではありません.