@book{11,
	author = {Romer, David and Trinidad, Gloria},
	title = {Macroeconomía avanzada},
	publisher = {McGraw-Hill},
	year = {2002},
	address = {Madrid :},
	edition = {2a. ed},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Macro economia avanzda-l87896.jpg}
}