Spencer, Peter, 1939- The practice of harmony / Peter Spencer, Barbara A. Bennett. - 6th ed. - Boston : Pearson, c2012. - x, 413 p. : ill. ; 28 cm. Includes index. ISBN: 9780205717194 0205717195 LCCN: 2011-025852 Subjects--Topical Terms: Harmony-- Textbooks. Dewey Class. No.: 781.2/5