Lin, Forest, author
Scott/Jones, 1991
Buku Teks
Christoper, author
Dinastindo, 1992
Buku Teks
Kamin, Jonathan, author
Addison-Wesley Publishing , 1988
Buku Teks
Wood, Craig A., author
Addison-Wesley, 1990
Buku Teks
Hilliard, Elizabeth, author
Conran Octopus Lim, 1996
Buku Referensi