[1] CSS Regions proposal ( (Stephen Zilles 著, 版)) <http://lists.w3.org/Archives/Public/www-archive/2011Mar/0011.html>
[2] CSS Regions Module ( ( 版)) <http://www.w3.org/TR/2011/WD-css3-regions-20110609/>
[3] CSS Regions Module Level 3 ( ( 版)) <http://www.w3.org/TR/2012/WD-css3-regions-20120823/>