@book{968,
	author = {VanCleave, Janice Pratt and Clark, Barbara},
	title = {Matemáticas para niños y jóvenes},
	publisher = {Limusa},
	year = {2002},
	series = {Biblioteca científica para niños y jóvenes},
	address = {México},
	edition = {Séptima edición}
}