The Computer users year book 1989 : supplier guide, volume 4
VNU Business Publications, 1989
Buku Referensi
The Computer users year book 1989 : services, volume 2
VNU Business Publications, 1989
Buku Referensi
The Computer users year book 1989 : installations, volume 3
VNU Business Publications, 1989
Buku Referensi
Bell, C. Gordon
Computer engineering
Digital Equipment, 1978
Buku Teks
Wagner, Gerald E.
Computer center operations
South-Western Publishing, 1984
Buku Teks