Durr, Michael, author
Erlangga, 1991
Buku Teks
O`Keeffe, Linda, author
McGraw-Hill, 1986
Buku Teks
Glau, Gregory R., author
Doa Jones-Irwin, 1986
Buku Teks
Brenner, Robert C., author
Elex Media Komputindo , 1990
Buku Teks
Gosling, Peter, author
Multi Media , 1985
Buku Teks