@book{169993,
	author = {Edgren, Harry Daniel and Gruber, Joseph J.,},
	title = {Juegos escolares para primaria},
	publisher = {Pax-México},
	year = {c1983, 1986},
	address = {México},
	edition = {3a. ed., 4a reimp.},
	note = {Translation of : Teacher's Handbook of Indoor and Outdoor Games.}
}