Folsom, Ralph Haughwout, author
West Publishing, 1992
Buku Teks
Friedland, Jerold A., author
Lexis, 2014
Buku Teks
Renhard, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Skripsi (Membership)
editor Ralph H. Folsom
Kluwer Law International, 1996
Buku Teks
American Law Institute, 1992
Buku Teks