Watson, J. R. (2013). Changing keys: Keyboard instruments for America, 1700-1830. The Colonial Williamsburg Foundation in association with Scarecrow Press.
Citace podle Chicago (17th ed.)Watson, John R. Changing Keys: Keyboard Instruments for America, 1700-1830. Williamsburg, Virginia: The Colonial Williamsburg Foundation in association with Scarecrow Press, 2013.
Citace podle MLA (9th ed.)Watson, John R. Changing Keys: Keyboard Instruments for America, 1700-1830. The Colonial Williamsburg Foundation in association with Scarecrow Press, 2013.
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