Blackman, Norman S., author
Harwood Academic Publishers, 1990
Buku Referensi
Borland International, 1988
Buku Referensi
Harbison, Samuel P., author
Prentice-Hall, 1995
Buku Referensi
Schildt, Herbert, author
McGraw-Hill, 2009
Buku Teks
Ward, Dederick C.
Scarecrow Press, 1981
Buku Referensi