Thomas Rudolph, Bodo B. Schlegelmilch, Josep Franch, Andras Bauer, Jan Niklas Meise, editors
[Springer, Springer], 2012
eBooks
O`rourke, Raymond
Palladian law Publishing Ltd., 1998
Buku Teks
Cuthbert, Mike
Cavendish Publishing Limited, 1993
Buku Teks
Belgium : R.H. Wijffels, 1972
Buku Teks
Jans, Jan H., author
Europa Law Publishing, 2000
Buku Teks