Attiga, A. A. (1981). The Economic Development of the oil Exporting Countries. Oxford University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAttiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. England: Oxford University, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAttiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. Oxford University, 1981.
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