oleh Afadlal [and others]
Pensil-324, 2004
Buku Teks
Amin Mudzakkir, author
2007
Artikel Jurnal
Kettani, M. Ali, author
RajaGrafindo Persada, 2005
Buku Teks
Isnaputri Iskandar, author
1995
UI - Skripsi (Membership)
Ahmad Suaedy, author
The Wahid Institute, 2012
Buku Teks