Cooper, P. (1975). Perspectives in music theory: An historical - analytical approach. Dodd, Mead & Co..
Lua i Stíl Chicago (17ú heag.)Cooper, Paul. Perspectives in Music Theory: An Historical - Analytical Approach. New York: Dodd, Mead & Co., 1975.
Lua MLA (9ú heag.)Cooper, Paul. Perspectives in Music Theory: An Historical - Analytical Approach. Dodd, Mead & Co., 1975.
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