1. Americans with Disabilities Act and Architectural Barriers Act (2004);
2. Accessibility Guidelines. Accessibility Guidelines: Washington, D.C.
3. Barrier-Free Environments, Stroudsburg Pennsylvania:;Bednar,1977
4. Bezzina, F. and J. Spiteri (2005). Access for All; Design Guidelines National Commission Persons with Disability.
5. Cowan, R. (2000). Urban Design in The Planning System; Towards Better Practice.