Artikel Jurnal
Eka Jaya, 2004
Buku Teks
Farida Gurmiyati, author
Universitas Indonesia, 2007
UI - Tesis (Membership)
Silaban, Maruli T., author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Hutapea, Grace Vera Apriyanti, author
Fakultas Hukum Universitas Indonesia, 2011
UI - Skripsi (Open)