ISBN: 978-0-538-22210-5
ISBN-10: 0-538-22210-7
South-Western Pub. Co · 1979
| See also (possibly by other authors): | ||
| 2010 | Tapa dura | La comunicación |
| 2008 | Broschüre | Comunicación (El Manual de Scientology) |
| 2005 | Tapa blanda | Comunicacion: 001 (VARIOS GREDOS) |
| 2003 | Tapa blanda | Comunicacion, la |
| 2001 | Paperback | Comunicacion 1 (Spanish Edition) |