Ries, Al. Marketing warfare [Book /] by Al Ries and Jack Trout. - New York : McGraw-Hill, 1986. - viii, 215 p., [2] leaves of plates : ill. ; 20 cm. Includes index. ISBN: 0452258618 Subjects--Personal Names: Marketing--Ries, Al. Dewey Class. No.: 658.8 National Library of Medicine Call No.: / RM