Harbison, Samuel P., author
C a reference manual
Prentice-Hall, 1995
 Buku Referensi
Brown, Martin C., author
Perl : programmer's reference
Osborne/McGraw-Hill, 1999
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Alderman, Eric, author
Microsoft word : the complete reference
McGraw-Hill, 1988
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Moore, John B., author
PASCAL: text and reference
Reston Publishing, 1984
 Buku Teks
Schildt, Herbert, author
The complete reference C# 3.0
McGraw-Hill, 2009
 Buku Teks