@book{87904,
	author = {Um, Stephen T., and Laborda Massolo, Rut Ahinoam,},
	title = {Por qué las ciudades son importantes :},
	publisher = {Andamio,},
	year = {[2016]},
	address = {Barcelona, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/88765/}
}