@book{523,
	author = {Ferguson, C. E and Gould, John P},
	title = {Teoría microeconomica.},
	publisher = {Fondo de Cultura Económic, },
	year = {1977.},
	series = {Seción de Obras de Economía.},
	address = {México : },
	edition = {1ra.ed.}
}