@book{1979,
	author = {Begg, David and Fischer, Stanley, autor},
	title = {Economía /},
	publisher = {McGraw-Hill,},
	year = {2006},
	address = {Madrid, España :},
	edition = {Octava edición},
	note = {Incluye índice.
Glosario : p. 641-651.
Título original. Economics.}
}