Bowett, D. W. (Derek William), author
Manchester University Press, 1967
Buku Teks
Churchill, R.R., author
Manchester University Press, 1992
Buku Teks
U.P. Law Center, 1976
Buku Teks
Law Center, 1976
Buku Teks
Walker, Marianne McGettigan
American law Institute Publishers, 1995
Buku Teks