@book{65426,
	author = {Swokowski, Earl W. and Carril Villarreal, María del Pilar},
	title = {Precálculo: álgebra y trigonometría con geometría analítica /},
	publisher = {Cengage},
	year = {2018},
	address = {México, D.F.},
	edition = {Primera edición},
	note = {Contiene apéndice},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.ebooks7-24.com:443/?il=5081}
}