Artikel Jurnal
edited by Gary R. VandenBos
American Psychologycal Association, 2007
Buku Referensi
H.M. Rasjidi, author
Media Da`wah, 1996
Buku Teks
Chairul Basri, author
Pustaka Sinar Harapan, 2003
Buku Teks
H.M. Rasjidi, author
Media Da`wah, 1984
Buku Teks