Roberts, Mary Lou. Direct marketing management Mary Lou Roberts, Paul D. Berger. - Englewood Cliffs, NJ Prentice Hall c1989. - 495 p. Includes index. ISBN: 013214784X LCCN: 88025240 Subjects--Topical Terms: Direct marketing LC Class. No.: HF5415.126 / .R62 1989 Dewey Class. No.: 658.8/6