Burckhardt, T. (1976). An introduction to Sufi doctrine. Thorsons.
Chicagoスタイル(17版)引用形式Burckhardt, Titus. An Introduction to Sufi Doctrine. Wellingborough: Thorsons, 1976.
MLA(9版)引用形式Burckhardt, Titus. An Introduction to Sufi Doctrine. Thorsons, 1976.
警告: この引用は必ずしも正確ではありません.