1. Murray, S.: Interactive data visualization for the web. O’Reilly Media, CA (2013)
2. French, C.S.: Data Processing and Information Technology. Thomson, London (2004)
3. Yuk, M., Diamond, S.: Data Visualization for Dummies. Wiley, New York (2014)
4. Graph types - definitions and examples.
http://www.typesofgraphs.com/
5. W3C contributors: HTML5 - a vocabulary and associated APIs for HTML and XHTML.
http://www.w3.org/TR/html5/