1. AASHE (Association for the Advancement of Sustainability in Higher Education). (2012). “Sustainability-focused engineering programs.” 〈http://www.aashe.org/resources/academic-programs/discipline/engineering/〉 (Jul. 13 2015).
2. AASHTO. (2015). “Design publications.” 〈http://design.transportation.org/Pages/AASHTODesignPublications.aspx〉 (Jul. 10 2015).
3. ABET (Accreditation Board for Engineering and Technology). (2015). “General criteria for accrediting engineering programs—Student outcomes.” 〈http://www.abet.org/accreditation/accreditation-criteria/criteria-for-accrediting-engineering-programs-2015-2016/#outcomes〉 (Jul. 15 2015).