Britt 2007, p. 24. Britt, Karen C. (2007). "Roger II of Sicily: Rex, Basileus, and Khalif? Identity, Politics, and Propaganda in the Cappella Palatina". Mediterranean Studies. 16. Penn State University Press: 21–45. doi:10.2307/41167003. JSTOR41167003.
Britt 2007, p. 25. Britt, Karen C. (2007). "Roger II of Sicily: Rex, Basileus, and Khalif? Identity, Politics, and Propaganda in the Cappella Palatina". Mediterranean Studies. 16. Penn State University Press: 21–45. doi:10.2307/41167003. JSTOR41167003.
Sokoly 2017, pp. 275–299. Sokoly, Jochen (2017). "Textiles and Identity". In Flood, Finbarr Barry; Necipoğlu, Gülru (eds.). A Companion to Islamic Art and Architecture. Hoboken, New Jersey: John Wiley & Sons. pp. 275–299. doi:10.1002/9781119069218.ch11. ISBN978-1119069218.
Sokoly 2017, pp. 291–292. Sokoly, Jochen (2017). "Textiles and Identity". In Flood, Finbarr Barry; Necipoğlu, Gülru (eds.). A Companion to Islamic Art and Architecture. Hoboken, New Jersey: John Wiley & Sons. pp. 275–299. doi:10.1002/9781119069218.ch11. ISBN978-1119069218.
jstor.org
Britt 2007, p. 24. Britt, Karen C. (2007). "Roger II of Sicily: Rex, Basileus, and Khalif? Identity, Politics, and Propaganda in the Cappella Palatina". Mediterranean Studies. 16. Penn State University Press: 21–45. doi:10.2307/41167003. JSTOR41167003.
Britt 2007, p. 25. Britt, Karen C. (2007). "Roger II of Sicily: Rex, Basileus, and Khalif? Identity, Politics, and Propaganda in the Cappella Palatina". Mediterranean Studies. 16. Penn State University Press: 21–45. doi:10.2307/41167003. JSTOR41167003.