@book{7745,
	author = {Orozco- Velásquez, Diana María  and Montenegro Villalba, Margarita,},
	title = {Cómo cuidar nuestro planeta /},
	publisher = {Panamericana Editorial, },
	year = {2015.},
	series = {incluye índice },
	address = {Bogotá :}
}