@book{71378,
	author = {Ferguson, C. E.},
	title = {Microeconomic theory},
	publisher = {Richard D. Irwin},
	year = {1969},
	series = {The irwin series in economics},
	address = {Nueva York (Estados Unidos)},
	edition = {Rev ed.},
	note = {Donación Dr. Álvaro Daza Roa.}
}