Speck, J. (2018). Walkable City Rules: 101 Steps to Making Better Places (1st ed. 2018.). Island Press/Center for Resource Economics.
Chicago-Zitierstil (17. Ausg.)Speck, Jeff. Walkable City Rules: 101 Steps to Making Better Places. 1st ed. 2018. Washington, DC: Island Press/Center for Resource Economics, 2018.
MLA-Zitierstil (9. Ausg.)Speck, Jeff. Walkable City Rules: 101 Steps to Making Better Places. 1st ed. 2018. Island Press/Center for Resource Economics, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.