Gunther, Gerald
Foundation Press, 1979
Buku Teks
Jayakumar, S.
Malaya Law Review, Faculty of Law University of Singapore, 1976
Buku Teks
Kauper, Paul G.
Little, Brown, 1971
Buku Teks
Barrett, Edward L.
Foundation Press, 1977
Buku Teks
Kauper, Paul G.
Little, Brown, 1966
Buku Teks