Georgetown University. Center for Contemporary Arab Studies & Ibrahim, I. (1983). Arab resources: The transformation of a society. Center for Contemporary Arab Studies ; Croom Helm.
Lua i Stíl Chicago (17ú heag.)Georgetown University. Center for Contemporary Arab Studies agus Ibrahim Ibrahim. Arab Resources: The Transformation of a Society. Washington, D.C. : London: Center for Contemporary Arab Studies ; Croom Helm, 1983.
Lua MLA (9ú heag.)Georgetown University. Center for Contemporary Arab Studies agus Ibrahim Ibrahim. Arab Resources: The Transformation of a Society. Center for Contemporary Arab Studies ; Croom Helm, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.