Emanuel, Steven, author
Emanuel Law Outlines, 1993
Buku Teks
Bernhardt, Robert, author
West Publishing, 1991
Buku Teks
I Gede Surya Artha, author
Fakultas Hukum Universitas Indonesia, 2017
UI - Tesis (Membership)
Schlatter, Richard, author
George Allen & Uwin , 1951
Buku Teks
Ackerman, Bruce A.
Yale University Press, 1977
Buku Teks