1. Ability Magazine. (Undated). The signing of the United Nations convention on the rights of persons with disabilities. Retrieved May 5, 2019, from
http://abilitymagazine.com/un-ada.html
.
2. ADA (Americans with Disabilities Act). (1990). 42 USC §§12101–12213.
3. ADA.gov. (Undated). Introduction to the ADA. Retrieved May 5, 2019, from
https://www.ada.gov/ada_intro.htm
.
4. Americans with Disabilities Amendment Act. (2008). ADA Amendments Act of 2008, Pub. L. No. 110-325, 122 Stat. 3553.
5. Alston, P. (2009). Putting economic social and cultural rights back on the agenda of the United States. Working paper No 5, NYU Center for Human Rights and Global Justice, New York University, New York.