Yunahar Ilyas
LPPI Universitas Muhammadiyah Yogyakarta, 1993.
Buku Teks
Al Utsaimin, Syaikh Muhammad bin Shaleh, author
Yayasan Al-Sofwa, 1995
Buku Teks
Sjaich Mahmoud Sjaltout, author
Bulan Bintang, 1970
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Sjaich Mahmoud Sjaltout, author
Bulan Bintang, 1970
Buku Teks