Hilley, M., & Olson, L. F. (1998). Piano for pleasure: A basic course for adults (3rd ed.). Wadsworth Pub.
Chicagoスタイル(17版)引用形式Hilley, Martha, , Lynn Freeman Olson. Piano for Pleasure: A Basic Course for Adults. 3rd ed. Belmont, Calif: Wadsworth Pub, 1998.
MLA(9版)引用形式Hilley, Martha, , Lynn Freeman Olson. Piano for Pleasure: A Basic Course for Adults. 3rd ed. Wadsworth Pub, 1998.
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