1. Accreditation Board for Engineering and Technology 2014 http://www.abet.org
2. Adams, Scott 1994 http://dilbert.com/strips/comic/1994-09-30/
3. American Society of Civil Engineers 2007 The Hyatt Regency Walkway Collapse http://www.asce.org/Publications/ASCE-News/2007/01_January/A-Question-of-Ethics
4. American Society of Civil Engineers 2009 ASCE Code of Ethics http://www.asce.org/Leadership-and-Management/Ethics/Code-of-Ethics/