Gaya APA

Stroumsa, S. (1999). Freethinkers of medieval Islam: Ibn al-Rawandi, Abu Bakr al-Razi, and their impact on Islamic thought. . Leiden dll: Leiden dll Brill.

Gaya MLA

Stroumsa, Sarah. "Freethinkers of medieval Islam: Ibn al-Rawandi, Abu Bakr al-Razi, and their impact on Islamic thought. ". Leiden dll: Leiden dll Brill, 1999. Buku.