Glaeser, E. L. (2011). Triumph of the city: How our greatest invention makes us richer, smarter, greener, healthier, and happier (1a. ed.). Penguin Books.
Chicago-referens (17:e uppl.)Glaeser, Edward Ludwig. Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier, and Happier. 1a. ed. Nueva York: Penguin Books, 2011.
MLA-referens (9:e uppl.)Glaeser, Edward Ludwig. Triumph of the City: How Our Greatest Invention Makes Us Richer, Smarter, Greener, Healthier, and Happier. 1a. ed. Penguin Books, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.