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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSpeck, 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSpeck, 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.