Stratford-Collins, M.J., author
Ellis Horwood, 1982
Buku Teks
Computer Station, 1981
Buku Referensi
Brown, Martin C., author
Osborne/McGraw-Hill, 1999
Buku Referensi
Moore, Robert Jeffrey, author
Que Corporation , 1990
Buku Teks
Jamsa, Kris, author
Buku Teks