Tucker, Allen B., author
Holt Rinehart and Winston, 1983
Buku Teks
Bird, Richard, author
Prentice-Hall, 1988
Buku Teks
Wirth, Niklaus, author
Prentice-Hall, 1973
Buku Teks
George, F.H., author
Pergamon Press, 1968
Buku Teks
Marriot, Kim, author
MIT Press, 1998
Buku Teks