Hall, J. (1969). Statements and variants: For unaccompanied double bass. Yorke.
Lua i Stíl Chicago (17ú heag.)Hall, John. Statements and Variants: For Unaccompanied Double Bass. London: Yorke, 1969.
Lua MLA (9ú heag.)Hall, John. Statements and Variants: For Unaccompanied Double Bass. Yorke, 1969.
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