@book{31026,
	author = {Wooldridge, Jeffrey M. and Hano Roa, María del Carmen Enriqueta,},
	title = {Introducción a la Econometría: Un Enfoque Moderno /},
	publisher = {Cengage Learning,},
	year = {2010.},
	address = {México :},
	edition = {4.}
}