# References

In the making of this book, the following material was referenced:

* [W3C: HTML5 Spec](http://www.w3.org/html/wg/drafts/html/master/)
* [W3C: ARIA Spec](http://www.w3.org/TR/wai-aria/)
* [W3C: WAI-ARIA 1.0 Design Patterns](http://www.w3.org/TR/wai-aria-practices/#aria_ex)
* [W3C: ARIA in HTML](http://www.w3.org/TR/aria-in-html/)
* [W3C: ARIA Authoring Practices](http://www.w3.org/WAI/PF/aria-practices/)