Sudargo Gautama, author
Cira Aditya Bakti, 1991
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks
Hoff, Jerry, author
Tatanusa, 1999
Buku Teks
National law Development Agency, 2006
Majalah, Jurnal, Buletin
Sudargo Gautama, author
Alumni, 1993
Buku Teks