Rulianna Aprilia, author
Universitas Indonesia, 2009
UI - Skripsi (Open)
Ilham Prisgunanto, author
Ghalia Indonesia, 2006
Buku Teks
Sonni
elex media komputindo, 1997
Buku Teks
Tuti Hartati, author
2001
UI - Tesis (Membership)
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)