APA引文

Harder, P. O. (1986). Basic materials in music theory: A programed course (6th ed.). Allyn and Bacon.

芝加哥风格引文

Harder, Paul O. Basic Materials in Music Theory: A Programed Course. 6th ed. Boston: Allyn and Bacon, 1986.

MLA引文

Harder, Paul O. Basic Materials in Music Theory: A Programed Course. 6th ed. Allyn and Bacon, 1986.

警告:这些引文格式不一定是100%准确.