@book{111646,
	author = {Yépez Arboleda, Federico, 1921-2013 and Egüez G., Alfonso},
	title = {Himno a Portoviejo},
	year = {may. 2006},
	address = {Manta},
	url = {http://sinmiedosec.com/letra-del-himno-de-portoviejo/}
}