Blanchard, Kenneth H. Raving Fans : A Revolutionary Approach to Customer Service / Kenneth Blanchard & Sheldon M. Bowles ; foreword by Harvey Mackay. - 1st ed. - New York : Morrow, c1993. - xii, 137 p. ; 22 cm. ISBN: 0006530699 : UK £6.99* LCCN: 92030255 Subjects--Topical Terms: Customer services. LC Class. No.: HF5415.5 / .B528 1993 Dewey Class. No.: 658.8/12 / BLA