Harder, P. O. (1986). Basic materials in music theory: A programed course. Allyn and Bacon.
Cita Chicago Style (17a ed.)Harder, Paul O. Basic Materials in Music Theory: A Programed Course. Boston: Allyn and Bacon, 1986.
Cita MLA (9a ed.)Harder, Paul O. Basic Materials in Music Theory: A Programed Course. Allyn and Bacon, 1986.
Precaución: Estas citas no son 100% exactas.