Gaya APA

Walker, P, E. (1999). Hamid al Din al Kirmani : Ismaili thought in the age of al Hakim / Paul E. Walker . London: I.B. Tauris.

Gaya MLA

Walker, Paul, E.. "Hamid al Din al Kirmani : Ismaili thought in the age of al Hakim / Paul E. Walker". London: I.B. Tauris, 1999. Buku.