@book{175164,
	author = {Mankiw, N. Gregory and Rabasco, Esther, tr. },
	title = {Principios de economía  /},
	publisher = { Cengage Learning,},
	year = {2007},
	address = {México  :},
	edition = {4a ed.},
	note = {Título original: Principles of economics}
}