Willi Apel. (1972). Harvard dictionary of music. Cambridge, Massachusetts: Harvard Univ. Press.
Trích dẫn kiểu ChicagoWilli Apel. Harvard Dictionary of Music. Cambridge, Massachusetts: Harvard Univ. Press, 1972.
MLA citiranjeWilli Apel. Harvard Dictionary of Music. Cambridge, Massachusetts: Harvard Univ. Press, 1972.
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