Attiga, A. A. (1981). The Economic Development of the oil Exporting Countries. Oxford University.
Chicagoスタイル(17版)引用形式Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. England: Oxford University, 1981.
MLA(9版)引用形式Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. Oxford University, 1981.
警告: この引用は必ずしも正確ではありません.