Islah Gusmian, author
Mizan Media Utama, 2006
Buku Teks
Hanifah Arief, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Routledge, 1997
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Raden Indrajit Prawirakusumadirja, author
De Bliksem, 1934
Buku Klasik