JA: Sabab al jarimah. SHJ 2X5.1.
BUKU
Judul Asli : The Concept of Belief in Islamic Theology.
Judul asli: Muhasabahatun Nafs.
Judul asli: Ethico-religions conccepts in the Qur'an. Indeks hlm. 307-324.
Judul Asli : The Concept of Belief in Islamic Theology. SKY 2X3.8.