Walker, Mary M.
General Learning Press, 1974
Buku Teks
Abraham, Henry J.
Oxford University Press, 1988
Buku Teks
Jackson, John D., 1925-2016
Cambridge University Press, 2012
Buku Teks
Bailey, F. Lee
The Lawyers Co-Operative Publishing, 1971
Buku Teks
Vincent Velayo
Fakultas Hukum Universitas Indonesia, 2019
UI - Tesis Membership