[publisher not identified], [date of publication not identified]
Naskah
Quthan, Mana`ul, author
Rineka Cipta, 1993
Buku Teks
Artikel Jurnal
Sri Kusdaryanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2005
UI - Skripsi (Membership)
Muhammad Hasan Qadr, author
Sadra International Institute, 2011
Buku Teks