Harder, P. O. (1980). Harmonic materials in tonal music: A programed course (4th ed.). Allyn and Bacon.
Chicago Style (17th ed.) CitationHarder, Paul O. Harmonic Materials in Tonal Music: A Programed Course. 4th ed. Boston: Allyn and Bacon, 1980.
ציטוט MLAHarder, Paul O. Harmonic Materials in Tonal Music: A Programed Course. 4th ed. Allyn and Bacon, 1980.
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