S. Budisuharto, author
Elex Media Komputindo, 1991
Buku Teks
HInkle, Deborah, author
Glencoe/McGraw-Hill , 2002
Buku Teks
Borland International, 1988
Buku Teks
Graver, Robert T., author
Prentice-Hall, 2001
Buku Teks
Krieger, Morris
McGraw-Hill, 1985
Buku Teks