Georgetown University. Center for Contemporary Arab Studies & Ibrahim, I. (1983). Arab resources: The transformation of a society. Center for Contemporary Arab Studies ; Croom Helm.
Citazione stile Chigago Style (17a edizione)Georgetown University. Center for Contemporary Arab Studies e Ibrahim Ibrahim. Arab Resources: The Transformation of a Society. Washington, D.C. : London: Center for Contemporary Arab Studies ; Croom Helm, 1983.
Citatione MLA (9a ed.)Georgetown University. Center for Contemporary Arab Studies e Ibrahim Ibrahim. Arab Resources: The Transformation of a Society. Center for Contemporary Arab Studies ; Croom Helm, 1983.