Holt, R.C.
Addison-Wesley, 1983
Buku Teks
Mcquillen, Kevin, author
Mike Murach & Associates, 1975
Buku Teks
Wiriadi Saputra, author
Elex Media Komputindo, 1994
Buku Teks
Wiriadi Saputra, author
Elex Media Komputindo, 1994
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1985
Buku Teks