Harder, P. O. (1977). Harmonic materials in tonal music: A programed course (3a. ed.). Boston: Allyn and Bacon.
Chicago Style CitationHarder, Paul O. Harmonic Materials in Tonal Music: A Programed Course. 3a. ed. Boston: Allyn and Bacon, 1977.
MLA CitationHarder, Paul O. Harmonic Materials in Tonal Music: A Programed Course. 3a. ed. Boston: Allyn and Bacon, 1977.
Warning: These citations may not always be 100% accurate.