Stone, Bob Successful direct marketing methods Bob Stone. - 6th ed. - Lincolnwood, Ill. NTC Business Books 1997. - p. cm. ISBN: 49.95 LCCN: 93006716 Subjects--Topical Terms: Direct marketing LC Class. No.: HF5415.126 / .S757 1997 Dewey Class. No.: 658.8/4