editor, Syahrin Harahap, Hasan Bakti Nasution
Kencana, 2003
Buku Referensi
K.H. Zainal Arifin Djamaris, author
RajaGrafindo Persada, 1996
Buku Teks
Sjaich Mahmoud Sjaltout, author
Bulan Bintang, 1970
Buku Teks
Yunahar Ilyas
LPPI Universitas Muhammadiyah Yogyakarta, 1993.
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah