Knox, P. L., & Mayer, H. (2013). Small town sustainability: Economic, social, and environmental innovation (Second Edition, Revised and Expanded.). Birjhauser.
Cita Chicago (17th ed.)Knox, Paul L., i Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Second Edition, Revised and Expanded. Basel: Birjhauser, 2013.
Cita MLA (9th ed.)Knox, Paul L., i Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Second Edition, Revised and Expanded. Birjhauser, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.