edited by James Hastings
New York Charles Scribner's Sons 1961
Buku Referensi
Thiroux, Jacques P. author
Prentice-Hall, 1995
Buku Teks
Simorangkir, O. P., author
Aksara Persada Indonesia , 1989
Buku Teks
Imam Muhammad Abu Zahrah
Logos Publishing Louse, 1996
Buku Teks
Taimiyah, Ibnu, author
Risalah Gusti, 1995
Buku Teks