Hickok, R. (1971). Study guide to accompany music appreciation (2nd ed.). Addison-WesleyPub. Co.
Chicago-viite (17. p.)Hickok, Robert. Study Guide to Accompany Music Appreciation. 2nd ed. Reading, Mass: Addison-WesleyPub. Co, 1971.
MLA-viite (9. p.)Hickok, Robert. Study Guide to Accompany Music Appreciation. 2nd ed. Addison-WesleyPub. Co, 1971.
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