Huala, Adolf, author
Refika Aditama, 2008
Buku Teks
Universitas Indonesia, 1990
UI - Skripsi (Membership)
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Wenny Roza, author
Fakultas Hukum Universitas Indonesia, 1991
UI - Skripsi (Membership)