Vellia, Laura
Husaini, 1989
Buku Teks
Lubis, H.M. Arsjad Thalib
Hudaya, 1969
Buku Teks
Vaglieri, Laura Veccia
Radja Pena, 1966
Buku Teks
Sukma Nurmala
Fakultas Psikologi Universitas Indonesia, 2014
UI - Tesis (Membership)
El-Hofy, AHmad Mohammad
Le Conseil Superieur des Affaires Islamique, 1973
Buku Teks