@book{4365,
	author = {Lipsey, Richard G. and Tugores Ques, Joan.},
	title = {Principios de economía /},
	publisher = {Vicens Vives,},
	year = {1993.},
	address = {Barcelona :},
	edition = {Primera edición, 1993.},
	note = {Incluye apéndices e índice de materias.}
}