Speck, J. Walkable city: How downtown can save America, one step at a time (Primera edición.).
Citación estilo ChicagoSpeck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. Primera edición.
Cita MLASpeck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. Primera edición.
Warning: These citations may not always be 100% accurate.