por Davis, Robert H [autor] | Alexander, Lawrence T [autor] | Yelon, Stephen L [autor] | Corona de Alba, Carmen [traductor].
por Hohmann, Mary [autor] | Banet, Bernard [autor] | Barocio, Roberto [colaborador] | Weikart, David P [autor] | Corona de Alba, Carmen [traductor] | Hohmann, Mary. Young children in action.