Ultan, L. (1977). Music theory: Problems and practices in the Middle Ages and Renaissance. University of Minnesota Press.
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Chicago Style (17th ed.) Zitazioa
Ultan, Lloyd. Music Theory: Problems and Practices in the Middle Ages and Renaissance. Minneapolis: University of Minnesota Press, 1977.
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MLA (9th ed.) Zitazioa
Ultan, Lloyd. Music Theory: Problems and Practices in the Middle Ages and Renaissance. University of Minnesota Press, 1977.
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