1. Ahtonen, A., & Pardo, R. (2013). The Accessibility Act—Using the single market to promote fundamental rights. Brussels: European Policy Centre.
2. Ahtonen, A., & Pardo, R. (2018). The Accessibility Act—Using the single market to promote fundamental rights. European Policy Centre. Retrieved July 2018, from http://www.epc.eu/documents/uploads/pub_3393_the_accessibility_act.pdf
3. Backlund, E. (2016). The benefits from an accessible web: A case study. Web accessibility quality assessment at a major Swedish Industry Manufacturer Lund Institute of Technology. Retrieved July 2018, from https://pdfs.semanticscholar.org/9b01/9715a939a037fc79461a3adab8d6ecd44bd9.pdf
4. Barnes, C. (2003). Disability studies: What’s the point? Retrieved June 2018, from http://digitalcommons.ilr.cornell.edu/cgi/viewcontent.cgi?article=1323&context=gladnetcollect
5. BS 8878. (2010). Web accessibility—Code of practice. Retrieved July 2018, from http://shop.bsigroup.com/en/ProductDetail/?pid=000000000030180388