Centro Tata Vasco ; documento presentado por el equipo del Centro Tata Vasco, bajo la coordinación de: Jesús Vergara Aceves, Pedro Soto y Leonardo Méndez ; edición de texto, Hilaria Vite Velázquez
by Nettie Wild ; produced by Canada Wild Productions Ltd. in association with the Canadian Broadcasting Corporation ; produced by Nettie Wild, Kirk Tougas, Betsy Carson ; written by Nettie Wild, Manfred Becker
a film by Saul Landau ; produced by Meredith Burch and Saul Landau ; a presentation of the Independent Television Service with Argos Servicios Informativos ; a production of Meridian Productions, Inc
Canada Wild Productions Ltd. in association with the Canadian Broadcasting Corporation ; a film by Nettie Wild ; produced by Nettie Wild, Kirk Tougas, Betsy Carson ; written by Nettie Wild, Manfred Becker
a film by Nettie Wild ; a Canada Wild production ; in association with the Canadian Broadcasting Corporation ; produced by Nettie Wild, Kirk Tougas, Betsy Carson ; written by Nettie Wild, Manfred Becker