Ochs, Peter J. (2000) Maverick Guide to Oman (2nd edition) Pelican Publications, Gretna, Louisiana, USA, page 275, ISBN1-56554-687-3
Darke, Diana and Shields, Sandra (2006) "Nizwa Fort" Oman: The Bradt Travel Guide Bradt Travel Guides, Chalfont St. Peter, Buckinghamshire, England, page 191, ISBN978-1-84162-168-5
worldcat.org
Directorate General of Tourism (2000) Oman Directorate General of Tourism, Ministry of Commerce & Industry, Sultanate of Oman, Ruwi, page 16, OCLC55735842