Attiga, A. A. (1981). The Economic Development of the oil Exporting Countries. Oxford University.
Chicago-referens (17:e uppl.)Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. England: Oxford University, 1981.
MLA-referens (9:e uppl.)Attiga, Ali Ahmed. The Economic Development of the Oil Exporting Countries. Oxford University, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.