Broek, David, author
Martinus Nijhoff, 1982
Buku Teks
edited by A. Carpinteri and A.R. Ingraffera
Martinus Nijhoff, 1984
Buku Teks
Pergamon Press, 1983
Buku Teks
Hertzberg, Richard W., author
John Wiley & Sons, 1996
Buku Teks
Hertzberg, Richard W., author
John Wiley & Sons, 1989
Buku Teks