Speck, J. (2013). Walkable city: How downtown can save America, one step at a time (First paperback edition.). North Point Press, a division of Farrar, Straus and Giroux.
Chicago-referens (17:e uppl.)Speck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. First paperback edition. New York: North Point Press, a division of Farrar, Straus and Giroux, 2013.
MLA-referens (8:e uppl.)Speck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. First paperback edition. North Point Press, a division of Farrar, Straus and Giroux, 2013.
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