Adler, Samuel. Sight singing : pitch, interval, rhythm / Samuel Adler. - New York : W.W. Norton & Company c1979. - xii, 187 p. : ill. ; 24 cm. ISBN: 393950522 Subjects--Topical Terms: Sight-singingSingingMusicArt Dewey Class. No.: 784.947 / A24 1979 c.1