Duckless, V. H., & Keller, M. A. (1988). Music reference and research materials: An annotated bibliography (4th ed.). Schirmer Books.
Citace podle Chicago (17th ed.)Duckless, Vincent Harris, a Michael A. Keller. Music Reference and Research Materials: An Annotated Bibliography. 4th ed. New York: Schirmer Books, 1988.
Citace podle MLA (9th ed.)Duckless, Vincent Harris, a Michael A. Keller. Music Reference and Research Materials: An Annotated Bibliography. 4th ed. Schirmer Books, 1988.
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