Groff, James R.
SQL : the complete reference
Osborne/Mcgarw-Hill, 1999
Buku Referensi
Weinberg, Paul N.
SQL : the complete reference
McGraw-Hill, 2000
Multimedia
Acerson, Karen L.
WordPerfect: the complete reference
McGraw-Hill , 1988
Buku Teks SO
Alderman, Eric
Microsoft word : the complete reference
McGraw-Hill, 1988
Buku Teks SO
Campbell, Mary K.
1-2-3 the complete reference
McGraw-Hill , 1986
Buku Teks SO