(en) J. E. Peterson, Oman in the Twentieth Century: Political Foundations of an Emerging State, Routledge, , 72–75 p. (ISBN9781317291732, lire en ligne [archive du ])
(en) J. E. Peterson, Oman in the Twentieth Century: Political Foundations of an Emerging State, Routledge, , 72–75 p. (ISBN9781317291732, lire en ligne [archive du ])