1. John R, “Measuring the Success of Transit Oriented Development,” in Transit Oriented Development: Making It Happen, Carey C, John R and Luca B (Eds.) Ashgate (www.ashgate.com); 2009.pp. 241-255.
2. Steffen L (2010), “Green Urbanism: Formulating a Series of Holistic Principles”, S.A.P.I.EN.S. [Online]; 2010. pp.4-9,.
3. http://sapiens.revues.org/1057.
4. Local Government Commission-Leaders for Livable Communities. “The Ahwahnee Principles for Resource- Efficient Communities ; 1991. pp.1-4, http://www.lgc.org/wordpress/docs/ahwahnee/ahwahnee_principles.pdf.
5. Smart Growth Network. Smart Growth Principles; 1998, http://smartgrowth.org/smart-growth-principles/.