Pinto, Carlo
Kluwer Law International, 2003
Buku Teks
Christoph Spengel
Springer, 2012
eBooks
Farmer, Paul
Clarendon Press, 1994
Buku Teks
Fabio, Massimo
Kluwer Law International, 2012
Buku Teks
Richard Hacon, Jochen Pagenberg.
Aspen Publishers,, 2008
Buku Teks