@book{21090,
	author = {Melo Merchan, Angie Carolina and Huertas, Jorge Alejandro},
	title = {Amigo por un ambiente /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2015.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}