Betten, Lammy
Longman, 1998
Buku Teks
McBeth, Adam, author
Oxford Univ Press, 2011
Buku Teks
edited by A.H. Robertson
Manchester University Press, 1968
Buku Teks
edited by Jeffrey F. Addicott, Md. Jahid Hossain Bhuiyan, Tareq M.R. Chowdhur
Oxford University press, 2012
Buku Teks
International Commission of Jurists, 1966
Buku Teks