Hartog, J. (1992). Need to know: Für Saxophon-Quartett. Hal Leonard Corporation.
Cita Chicago Style (17a ed.)Hartog, Jim. Need to Know: Für Saxophon-Quartett. Milwaukee: Hal Leonard Corporation, 1992.
Cita MLA (8a ed.)Hartog, Jim. Need to Know: Für Saxophon-Quartett. Hal Leonard Corporation, 1992.
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