Said., Zahlan, Rosemarie (2016). The Origins of the United Arab Emirates : a Political and Social History of the Trucial States. Taylor and Francis. p. 188. ISBN9781317244653. OCLC945874284.{{cite book}}: CS1 maint: multiple names: authors list (link)
Heard-Bey, Frauke (2005). From Trucial States to United Arab Emirates : a society in transition. London: Motivate. ISBN1860631673. OCLC64689681.