Cita APA (7th ed.)

Knox, P. L., & Mayer, H. (2009). Small town sustainability: Economic, social, and environmental innovation. Birkhauser.

Cita Chicago (17th ed.)

Knox, Paul L., i Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Basel ; Boston: Birkhauser, 2009.

Cita MLA (9th ed.)

Knox, Paul L., i Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Birkhauser, 2009.