@book{21398,
	author = {Parra Navas, Alvaro Alonso and Escobar, Andres},
	title = {Diseño de logotipo /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2008.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}