Devina Vania Tertia, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Olivia Musdalifah, author
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis Membership
Astiliani, author
1998
UI - Skripsi (Membership)
Artikel Jurnal
Schaefer, Charles, author
Restu Agung, 2002
Buku Teks