M. Athalanta Diah Aps, author
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Whaley, Douglas J.
Harcourt Brace Legal, 1992
Buku Teks
Nickles, Steve H., author
West Publishing, 1993
Buku Teks
Universitas Indonesia, 2000
UI - Skripsi (Membership)
M. Halimwidjaya, author
Fakultas Hukum Universitas Indonesia, 1997
UI - Skripsi (Membership)