Urbina, Sebastian
Kluwer Law International, 2002
Buku Teks
The Free Press of Glencoe, 1964
Buku Teks
Han, Zhen
China Renmin University Press, 2015
eBooks
Tigar, Michael E.
Monthly Riview Press, 1977
Buku Teks
Thomas A.J.A. Vandamme
Europa Law Publishing, 2001
Buku Teks