Yusuf Al-Qaradhawi, author
Gema Insani, 2000
Buku Teks
Mercer, Michael W.
[publisher not identified], [date of publication not identified]
Buku Teks
Tyrer, Peter
Jakarta ARCAM 1996,
Buku Teks
Lewis, Bernard, author
Gramedia Pustaka Utama, 1994
Buku Teks
Adil Fathi Abdullah
Gema Insani , 2008
Buku Teks