Tohutoro APA (7th ed.)
Al-Hassan, A. (2009). A coincident indicator of the Gulf Cooperation Council (GCC) business cycle. International Monetary Fund.
Tohutoru Kātū Chicago (17th ed.)
Al-Hassan, Abdullah. A Coincident Indicator of the Gulf Cooperation Council (GCC) Business Cycle. [Washington D.C.]: International Monetary Fund, 2009.
Tohutoro MLA (9th ed.)
Al-Hassan, Abdullah. A Coincident Indicator of the Gulf Cooperation Council (GCC) Business Cycle. International Monetary Fund, 2009.
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