@book{2908,
	author = {Papalia, Diane E. and Olds, Sally Wendkos.},
	title = {Desarrollo humano : },
	publisher = {McGraw-Hill, },
	year = {1997.},
	address = {Santa Fe de Bogotá : },
	edition = {6a. ed. },
	note = {Incluye Indice,Bibliografía.}
}