Sihombing, Jonker, author
Alumni, 2010
Buku Teks
Universitas Indonesia, 2006
UI - Skripsi (Membership)
Sitompul, Zulkarnain, author
Universitas Indonesia, 2002
Buku Teks
Sarah Faisal Rosa, author
Fakultas Hukum Universitas Indonesia, 2011
UI - Skripsi (Open)
Achmad Anwari
Balai Aksara, 1983
Buku Teks