edited by Robbin F. Laird and Erik P. Hoffman
Aldine de Gruyter, 1986
Buku Teks
s.n, 2004
Buku Teks
Yayasan Proklamasi, [date of publication not identified]
Buku Teks
edited by Albert Jan van den Berg
Kluwer Law and Taxation, 1994
Buku Teks
Wallerstein, Immanuel, author
Cambridge University Press, 1991
Buku Teks