Artikel Jurnal
Baran, Nicholas, author
Coriolis Group Books, 1995
Buku Teks
Baran, Nicholas, author
Coriolis Group Books, 1995
Buku Teks
Cohen, Frederick B., author
John Wiley & Sons, 1995
Buku Teks
Carlson, Randall L., author
St. Martin's Press, 1996
Buku Teks