Robert Pickard
Spon Press, 2001
Buku Teks
Bickenbach, Jerome E., 1948-, author
Sage, 2012
Buku Teks
Ryder, Nicholas, author
Cambridge University Press , 2012
Buku Teks
Paul M. Anderson, editors
T.M.C. Asser Press, 2012
eBooks
Teitelbaum, Joel Bern, author
Jones Bartlett Learning, 2017
Buku Teks