プログレッシブエンハンスメント
Gustafson, Aaron (2008) Understanding Progressive Enhancement Retrieved July 7, 2011
Gustafson, Aaron (2008) Progressive Enhancement with CSS Retrieved July 7, 2011.
Gustafson, Aaron (2008) Progressive Enhancement with JavaScript Retrieved July 7, 2011
Gustafson, Aaron (2007) Ruining the User Experience Retrieved May 7, 2007.
hesketh.com, September 12, 2003 Progressive Enhancement: Paving the Way for Future Web Design
Keith, Jeremy (2006) Behavioral Separation Retrieved May 7, 2007.
Olsson, Tommy (2007) Graceful Degradation & Progressive Enhancement