@book{43639,
	author = {Pantoja Yépez, Wilson Libardo and Hurtado A., Julio Ariel},
	title = {Patrones de Diseño :},
	publisher = {Editorial Universidad del Cauca,},
	year = {2015.},
	address = {Popayán :},
	edition = {1.},
	note = {Incluye Indice y Bibliografía.}
}