Artikel Jurnal
Dewi Anita Suyatman, author
Fakultas Hukum Universitas Indonesia, 1989
UI - Skripsi Membership
Prins, Jan, author
Bhratara, 1973
Buku Teks
Budi Supriyanto, author
1993
UI - Tesis (Membership)
Panggabean, Esther Juniar, author
Universitas Indonesia, 2009
UI - Skripsi (Open)