by Prof. Dr. Suharsimi Arikunto $13.00
by KH. Zainal Arifin Dj $5.00
by W. Montgomery Watt $5.00
by Syeikh Fadhalla Haeri $6.00
by Gunawan Widjaja, A. Yani $7.00
by Jamilah Jones Abu Aminah Bilal Philips $6.00