Agus Purwadianto ... [and others]
Teraju : Center for Spirituality & Leadership, 2004.
Buku Teks
Guessoum, Nidhal, 1960-
Mizan Pustaka, 2011
Buku Teks
Nasr, Seyyed Hossein
Kegan Paul International, 1987
Buku Teks
Bucaille, Maurice
Bulan Bintang, 1987
Buku Teks
Artikel Jurnal