edited by Kyle W. Bagwell, George A. Bermann, Petros C. Mavroidis
Cambridge University Press, 2010
Buku Teks
Marasinghe, Lakshman
Butterworth Asia, 1998
Buku Teks
Houtte, Hans Van, author
Sweet & Maxewell, 1995
Buku Referensi
edited by W. Lang, H. Neuhold,K. Zemanek
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi
D`arcy, Leo, author
Sweet and Maxwell, 2000
Buku Teks