Zara Ambadar, author
1989
UI - Skripsi (Membership)
Marimin
Grasindo, 2005
Buku Teks
Altier, William J., author
Murai Kencana, 2004
Buku Teks
Menur Karen K., author
2004
UI - Skripsi (Membership)
Sulastri, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership