Miles, Kate, author
Cambridge University Press, 2015
Buku Teks
Vinuales, Jorge E., author
Cambridge University Press, 2012
Buku Teks
Birnie, Patricia W., author
Clarendon Press, 1995
Buku Teks
Birnie, Patricia, author
Oxford Univesity Press, 2009
Buku Teks
Sornarajah, M, author
Cambridge University Press, 2017
Buku Teks