Gaya APA

Edrus, S, M, D, A. (1992). Islamic epistemology an intriduction to the theory of knowledge in Al Qur`an . Malaysia: The Islamic Academy, Cambridge.

Gaya MLA

Edrus, Syed, Muhammad, Dawilah, Al. "Islamic epistemology an intriduction to the theory of knowledge in Al Qur`an". Malaysia: The Islamic Academy, Cambridge, 1992. Buku.