@book{37720,
	title = {La Celestina},
	publisher = {Ediciones universal},
	year = {[1969]},
	address = {Colombia},
	url = {https://www.google.com/search?q=La+Celestina%3B+tragicomedia+de+Calisto+y+Melibea.&oq=La+Celestina%3B+tragicomedia+de+Calisto+y+Melibea.&aqs=chrome..69i57j0l5j69i60j69i61.373j0j7&sourceid=chrome&ie=UTF-8}
}