@book{1957,
	author = {Galindo, Aníbal},
	title = {Estudios económicos y fiscales},
	publisher = {Impr. a cargo de H. Andrade},
	year = {1880},
	address = {Bogotá},
	url = {http://www.banrepcultural.org/sites/default/files/84234/brblaa386046.pdf}
}