@book{3400,
	author = {Cirigliano, Gustavo F. J. and Villaverde, Aníbal.},
	title = {Dinámica de grupos y educación : },
	publisher = {Editorial Lumen-Hvmanitas, },
	year = {1997.},
	address = {Buenos Aires : },
	edition = {21a. ed.}
}