Skinner, G. G.
Wordprefect version 5.1 for DOS and Windows
Pitman, 1993
Buku Teks
Ian Chandra K.
Memakai norton desktop for windows versi 2
Elex Media Komputindo, 1993
Buku Teks
Rijanto Tosin
Deteksi, eliminasi, proteksi virus komputer melalui the Norton anti virus
Dinastindo, 1991
Buku Teks
Productivity tools: PC-DOS & MS-DOS, WordPerfect 5.0/5.1, Lotus 1-2-3, release 2.01/2.2, dBase III PLUS
by William S. Davis ... [and others]
Benjamin/Cummings, 1990
Buku Teks
Miller, Mike
Using norton desktop 3 for windows
Que Corporation, 1993
Buku Teks