Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
McConnell, Steve, author
Microsoft Press, 1993
Buku Teks
edited by Don K. Price
Prentice-Hall, 1960
Buku Teks
Albright, Madeleine, author
Marimax Books, 2003
Buku Teks