Dendy Herdianto, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)
Galuh Bayuaji, author
Program Pascasarjana Universitas Indonesia, 2009
UI - Tesis (Membership)
Yusuf al- Qardhawi
Usamah Press, 1990
Buku Teks
Al-Qardhawi, Yusuf, author
Akbar Media Eka Sarana, 2002
Buku Teks
Sjaich Mahmoud Sjaltout, author
Bulan Bintang, 1972
Buku Teks