Freely 2011, стр. 35 harvnb грешка: више циљева (2×): CITEREFFreely_2011 (help): "The mosques of the classical period are more elaborate than those of earlier times. They derive from a fusion of a native Turkish tradition with certain elements of the plan of Haghia Sophia, the former cathedral of Constantinople, converted into a mosque in
1453 by Mehmet the Conqueror." Freely, John (2011). A History of Ottoman Architecture. WIT Press. ISBN978-1-84564-506-9.