Sitompul, Asril, author
Citra Aditya Bakti, 2004
Buku Teks
Sitompul, Asril, author
Citra Aditya Bakti, 2004
Buku Teks
Universitas Indonesia, 1985
UI - Skripsi (Membership)
Universitas Indonesia, 1996
UI - Skripsi (Membership)
Jessy Annastasia, author
Fakultas Hukum Universitas Indonesia, 2006
UI - Skripsi (Membership)