Heard-Bey, Frauke (2005). From Trucial States to United Arab Emirates : a society in transition (İngilizce). Londra: Motivate. ISBN1860631673. OCLC64689681.
Heard-Bey, Frauke (2005). From Trucial States to United Arab Emirates : a society in transition (İngilizce). Londra: Motivate. s. 225. ISBN1860631673. OCLC64689681.
Heard-Bey, Frauke (2005). From Trucial States to United Arab Emirates : a society in transition (İngilizce). Londra: Motivate. s. 326. ISBN1860631673. OCLC64689681.