Παραπομπή σε μορφή APA (7η εκδ.)

Knox, P. L., & Mayer, H. (2013). Small town sustainability: Economic, social, and environmental innovation (Second Edition, Revised and Expanded.). Birjhauser.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Knox, Paul L., και Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Second Edition, Revised and Expanded. Basel: Birjhauser, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

Knox, Paul L., και Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Second Edition, Revised and Expanded. Birjhauser, 2013.