Wagoner & Rice 2001, hlm. 78. Wagoner, Phillip B.; Rice, John Henry (2001), "From Delhi to the Deccan: Newly Discovered Tughluq Monuments at Warangal-Sult̤ānpur and the Beginnings of Indo-Islamic Architecture in Southern India", Artibus Asiae, 61 (1): 77–117, JSTOR3249963