Shapiro, N. (1947). An Encyclopedia of quotations about music. Da CApo Press.
Lua i Stíl Chicago (17ú heag.)Shapiro, Nat. An Encyclopedia of Quotations About Music. New York: Da CApo Press, 1947.
Lua MLA (9ú heag.)Shapiro, Nat. An Encyclopedia of Quotations About Music. Da CApo Press, 1947.
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