[1] Prince: Download Alpha 2007-04-13 (2007-04-15 15:39:43 +09:00 版) <http://princexml.com/alpha/2007-04-13/>

[2] AH Formatter Float Extension ( (2013-05-23 09:11:04 +09:00 版)) <http://antennahouse.com/CSSInfo/float-extension.html#FootnoteCSS>