Panggabean, Adolf Martua, author
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Simorangkir, J.C.T., author
Djambatan, 1988
Buku Teks
Mayawanty M., author
Fakultas Hukum Universitas Indonesia, 1997
UI - Skripsi (Membership)
PNRI Publishing House, 1997
Buku Teks
Rukiah Handoko, author
[publisher not identified], 1999
Buku Teks