Wendy Agustine, author
2004
UI - Skripsi (Membership)
Christiany, author
2004
UI - Skripsi (Membership)
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi (Membership)
Nurul Istiqomah, author
2004
UI - Skripsi (Membership)
Jampolsky, Gerald G., author
Erlangga, 2001
Buku Teks