@book{6964,
	author = {Mckenna, Joseph F. and Addison Hickman, C.},
	title = {Intermediate economic theory},
	publisher = {Henry Holt and Company},
	year = {1958},
	address = {Nueva York (Estados Unidos)},
	note = {El ejemplar No.2 es Donación Dr. Álvaro Daza Roa.}
}