@book{4,
	author = {Escuela Superior Politécnica del Litoral, Guayaquil},
	title = {Guía de bienes culturales del Ecuador:},
	publisher = {Instituto Nacional de Patrimonio Cultural},
	year = {2011},
	address = {Quito},
	url = {https://issuu.com/inpc/docs/guia_guayas}
}