edited by Roman Tomasic
Ashgate Publishing Limited, 2006
Buku Teks
edited by Chia-Jui Cheng
Kluwer Law International, 2010
Buku Teks
Futura , 1983
Buku Teks
Wales, H.G. Quaritch
Quaritch, 1967
Buku Teks
Puvier, Jan M.
New York : E.J. Brill, 1995,
Buku Referensi