Engineer, A. A. (2001). Rational approach to Islam. Gyan publishing house.
Chicago Style aipamenaEngineer, Asghar Ali. Rational Approach to Islam. New Delhi: Gyan publishing house, 2001.
MLA aipamenaEngineer, Asghar Ali. Rational Approach to Islam. Gyan publishing house, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.