@book{33353,
	author = {Welch, Jack, 1935 - . and Byrne, John A.},
	title = {Hablando claro / },
	publisher = {Vergara, },
	year = {Grupo Zeta, },
	series = {Vergara business},
	address = {Barcelona : },
	note = {Incluye índice.}
}