Helmstetter, Greg, 1967-, author
John Wiley & Sons, 1997
Buku Teks
Boswell, William, author
New Riders, 2000
Buku Teks
Seguis, Steve, author
McGraw-Hill, 2008
Buku Teks
Minasi, Mark, author
Network Press, 1998
Buku Teks
Croucher, Phil, author
Gramedia , 1991
Buku Teks