Walthall, Wylie A., author
Harper and Row, 1987
Buku Teks
Kember. N.F., author
Edward Arnold, 1984
Buku Teks
Lorin, Harold, author
John Wiley & Sons, 1982
Buku Teks
Digital Equipment Corporation, 1984
Buku Referensi
Nashelsky, Louis, author
John Wiley & Sons, 1977
Buku Teks