Hanifah Arief
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Routledge, 1997
Buku Teks
[publisher not identified], [date of publication not identified]
Naskah
Raden Indrajit Prawirakusumadirja
De Bliksem, 1934
Buku Klasik
Sitompul, A. R Adelany
2001
UI - Skripsi (Membership)