Birge, J. K. (1937). The Bektashi order of dervishes. Luzac's oriental religions series 7.
Dyfyniad Arddull ChicagoBirge, John Kingsley. "The Bektashi Order of Dervishes." Luzac's Oriental Religions Series 7 1937.
Dyfyniad MLABirge, John Kingsley. "The Bektashi Order of Dervishes." Luzac's Oriental Religions Series 7 1937.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.