@book{138337,
	author = {Mankiw, N. Gregory and Carril Villarreal, María del Pilar},
	title = {Principios de economía },
	publisher = {Cengage Learning Editores,},
	year = {2017},
	address = {México : },
	edition = {7a ed.},
	note = {Incluye glosario e índice}
}