Gries, David, author
Springer-Verlag, 1981
Buku Teks
Savitch, Walter J., author
The Benjamin/Cummings Publishing, 1984
Buku Teks
John Wiley & Sons, 1970
Buku Teks
Zelle, John, author
Franklin, Beedle and Associates, 2010
Buku Teks
Astrachan, Owen L., author
McGraw-Hill, 2000
Buku Teks