1. AECOM, 2010. Phoenix-Tucson Ambitions Report: Sun Corridor, a Global Megaregion in the 21st Century. AECOM Global Cities Initiative. Accessed at http://www.aecom.com/content/wpcontent/uploads/sites/2/2015/10/AECOM_Cities_SunCorridor_PhoenixTucson_ambitions_Report. Pdf.
2. Do local development outcomes follow voluntary regional plans? Evidence from Sacramento region's blueprint plan;Allred;J. Am. Plan. Assoc.,2015
3. America 2050, 2006a. A national strategy for prosperity, equity and sustainability. Draft prospectus, April 21. New York: America 2050.
4. America 2050, 2006b. Briefing book. Second Annual Policy Roundtable on Mega-Regional Development, Tarrytown, NY, February 22–24. New York: America 2050.
5. U.S. regionalism and rationality;Basolo;Urban Stud.,2003