[1] [CITE@en-US[document.styleSheetSets - Web API reference | MDN]]
( ([TIME[2013-05-20 10:01:29 +09:00]] 版))
<https://developer.mozilla.org/en-US/docs/Web/API/document.styleSheetSets>

[2] [CITE@en[''''''[''''''cssom'''''']'''''' Remove API for alternative stylesheets · w3c/csswg-drafts@e5353d0]]
([TIME[2016-02-17 14:44:26 +09:00]] 版)
<https://github.com/w3c/csswg-drafts/commit/e5353d078e686136fdb28c7de37ffd375cd6d79f>