Gaya APA

Tusi, N, A, D. (1999). Contemplation and action : spiritual autobiography of a muslim scholar / Nasir al Din Tusi . New York: The institut of Ismaili Studies.

Gaya MLA

Tusi, Nasir, Al, Din. "Contemplation and action : spiritual autobiography of a muslim scholar / Nasir al Din Tusi". New York: The institut of Ismaili Studies, 1999. Buku.