APA引文

Al-Qushayri & Schlegell, V. B. R. (1990). Principles of sufism. Other Books.

Chicago Edition Citation

Al-Qushayri and Von B. R. Schlegell. Principles of Sufism. Calicut: Other Books, 1990.

MLA引文

Al-Qushayri and Von B. R. Schlegell. Principles of Sufism. Other Books, 1990.