Hutagaol, John, author
Salemba Empat, 2000
Buku Teks
Rouli Anita Valentina, author
Fakultas Hukum Universitas Indonesia, 2000
UI - Skripsi (Membership)
Ronald Max Sumual, author
Universitas Indonesia, 1988
UI - Skripsi (Membership)
Panjaitan, Anastasia Ernawaty, author
Universitas Indonesia, 2006
UI - Skripsi (Membership)
Universitas Indonesia, 1984
UI - Skripsi (Membership)