APA (7th ed.) Zitazioa
ebrary, Inc, & Beatley, T. (2012). Green cities of Europe: Global lessons on green urbanism. Island Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Timothy Beatley. Green Cities of Europe: Global Lessons on Green Urbanism. Washington, D.C.: Island Press, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Timothy Beatley. Green Cities of Europe: Global Lessons on Green Urbanism. Island Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.