NIM:B06208013. Bibliografi hlm. 86-87.
NIM: 018612688.
Judul Asli : God, Islam and the skeptic Mind: astudy on faith, relegion diversity, etics, and the problem of evil, Indeks : 329-333 hlm.
NIM:088716985.
Bibliografi hlm. 305-336. indeks hlm. 337.
NIM:018510060.
NIM:665.