Gaya APA

What is Sufism?. (1975). Cambridge: [s.n.].

Gaya Chicago

What is Sufism?. cet. 3. Cambridge: [s.n.], 1975. Text.

Gaya MLA

What is Sufism?. cet. 3. Cambridge: [s.n.], 1975. Text.

Gaya Turabian

What is Sufism?. Cambridge: [s.n.], 1975. Print.