Publicado en el sitio web de Mount Holyoke College ; Sitio visitado en octubre de 2003 ; Transcripción de la publicación The International Petroleum Cartel, Staff Report to the Federal Trade Commission, released through Subcommittee on Monopoly of Select Committee on Small Business, U.S. Senate, 83d Cong., 2nd sess (Washington, DC, 1952), Chapter 5, "Other Common Ownerships in the Middle East," pp. 113-136 ; Navegadores de Internet