Krisno Legowo, author
Universitas Indonesia, 1997
UI - Tesis (Membership)
Irzanti Sutanto, author
Universitas Indonesia, 2002
Artikel Jurnal
Perpustakaan Nasional RI, 2007
Buku Referensi
Miryanti Usman, author
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Natalia, author
Fakultas Psikologi Universitas Indonesia, 2001
UI - Skripsi (Membership)