Woods, Geraldine, author
John Wiley & Sons, 2016
Buku Teks
Ciccarelli, Stephanie, author
John Wiley & Sons, 2013
Buku Teks
Hannabarger, Charles, author
Wiley Publishing, Inc, 2007
Buku Teks
Harvey, Greg
IDG Books, 1994
Buku Teks
Smith, Glenn C., author
John Wiley & Sons, 2012
Buku Teks