Ernst, C. W. (1985). Words of ecstasy in Sufism. State University of New York Press.
芝加哥风格引文Ernst, Carl W. Words of Ecstasy in Sufism. Albany: State University of New York Press, 1985.
MLA引文Ernst, Carl W. Words of Ecstasy in Sufism. State University of New York Press, 1985.
警告：这些引文格式不一定是100％准确.