North Holland, 1988
Buku Teks
Deitel, Harvey M., 1945-, author
Prentice-Hall, 1977
Buku Teks
Pratt, Terrence W., author
Prentice-Hall, 1975
Buku Teks
Howe, Hubert S., author
Prentice-Hall, 1981
Buku Teks
LaBudde, Keith, author
McGraw-Hill, 1987
Buku Teks