edited by Karl-Eduard von der Heydt and Stanley Keller
Graham & Trotman, 1995
Buku Teks
Aust, Anthony
Cambrigde University Press , 2010
Buku Teks SO
Hudson, Alastair
Sweet and Maxwell, 2008
Buku Teks
edited by Daniel Bodansky, Jutta Brunneee and Ellen Hey
Oxford University Press, 2007
Buku Teks
edited by Peter Muchlinski, Federico Ortino and Christoph Schreuer
Oxford University Press, 2008
Buku Teks