Michael Wallace Gordon
St. Paul, Minn, 1996
Buku Teks
Fisher, Bart S.
Little, Brown and Company, 1989
Buku Teks
McDaniels, John F., author
The World Community Association, 1964
Buku Teks
edited by Thomas W. Wälde ; foreword by Ruud Lubbers
Kluwer Law International, 1996
Buku Teks
Peter, Wolfgang
Kluwer Law International, 1995
Buku Teks