Compaq Computer Corporation
Compaq Computer Corporation, 1999
Buku Teks
Data General Corporation, 1974
Buku Referensi
Harbison, Samuel P., author
Prentice-Hall, 1995
Buku Referensi
Dorn, William S., author
John Wiley & Sons, 1972
Buku Teks
McCracken, Daniel D., author
John Wiley & Sons, 1974
Buku Referensi