@book{29965,
	author = {Mankiw, N. Gregory. and Fairchild, Malú, and New World Spanish by Pros,},
	title = {Principios de economía /},
	publisher = {Cengage Learning },
	year = {2009.},
	address = {México },
	edition = {5a ed.},
	note = {Incluye índice.}
}