Diehl, Alexandra, author
Woltrs Kluwer, 2012
Buku Teks
Klager, Roland, author
Cambridge University Press, 2011
Buku Teks
Schil, Stephen W., author
Cambridge University Press, 2013
Buku Teks
Cambridge University Press, 2014
Buku Teks
edited by Peter Muchlinski, Federico Ortino and Christoph Schreuer
Oxford University Press, 2008
Buku Teks