APA
"United Nations E. A. S. C. F. W. A., "United Nations E. A. S. C. F. W. A., . (2001). Economic diversificaion in the oil producing countries. New: York United Nations USA.
Chicago
"United Nations Economic And Social Commission For Western Asia", "United Nations Economic And Social Commission For Western Asia", . 2001. Economic diversificaion in the oil producing countries. New: York United Nations USA.
Harvard
"United Nations E. A. S. C. F. W. A., "United Nations E. A. S. C. F. W. A., . (2001). Economic diversificaion in the oil producing countries. New: York United Nations USA.
MLA
"United Nations Economic And Social Commission For Western Asia", "United Nations Economic And Social Commission For Western Asia", . Economic diversificaion in the oil producing countries. New: York United Nations USA. 2001.
