Gallo, Michael A., author
Prindle, Weber and Schmidt, 1985
Buku Teks
Halvorson, Michael, author
Elex Media Komputindo, 2000
Buku Referensi
Halvorson, Michael, author
Elex Media Komputindo, 2000
Buku Teks
F. Soesianto, author
Andi, 1989
Buku Teks
Kemmeny, John G., author
Addison-Wesley, 1985
Buku Teks