Lewis, W. A. (1969). Some aspects of economic development. University of Ghana by the Ghana Pub. Corp.
Chicagoスタイル(17版)引用形式Lewis, William Arthur. Some Aspects of Economic Development. [Accra]: University of Ghana by the Ghana Pub. Corp, 1969.
MLA(9版)引用形式Lewis, William Arthur. Some Aspects of Economic Development. University of Ghana by the Ghana Pub. Corp, 1969.
警告: この引用は必ずしも正確ではありません.