@book{9557,
	author = {Pérez Gómez, Augusto,  and Peña Amaya, Paula},
	title = {La Juventud y las drogas /},
	publisher = {Alfaomega,},
	year = {2002.},
	series = {Libros de Cambio},
	address = {Bogotá :},
	edition = {1a ed.}
}