Παραπομπή σε μορφή APA (7η εκδ.)

Osman Bakar. (1998). Classification of knowledge in Islam: A study in Islamic philosophies of science. Islamic Texts Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Osman Bakar. Classification of Knowledge in Islam: A Study in Islamic Philosophies of Science. Cambridge, UK: Islamic Texts Society, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Osman Bakar. Classification of Knowledge in Islam: A Study in Islamic Philosophies of Science. Islamic Texts Society, 1998.