Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Beatley, T. (2012). Green Cities of Europe: Global Lessons on Green Urbanism. Island Press/Center for Resource Economics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Timothy Beatley. Green Cities of Europe: Global Lessons on Green Urbanism. Washington, DC: Island Press/Center for Resource Economics, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Timothy Beatley. Green Cities of Europe: Global Lessons on Green Urbanism. Island Press/Center for Resource Economics, 2012.