Volker, E.L.M., author
Kluwer, 1985
Buku Teks
Pescatore, Pierre
A.W. Sijthoff, 1974
Buku Teks
Kur, Annette, author
Edward Elgar, 2013
Buku Teks
Konvitz, Milton Ridvas, 1908-2003, author
Ithaca, 1963
Buku Teks
Brinkhorst, L. J., author
Kluwer Law & Taxation Publishers, 1969
Buku Teks