McGregor, Georgette F. The communication matrix : ways of winning with words / Georgette F. McGregor and Joseph A. Robinson ; foreword by Walter E. Hoadley - New York : AMACOM, 1981 - 230 p. ; 21 cm. Includes index ISBN: 0814456499 LCCN: 81-66218 Subjects--Topical Terms: Communication in management