(1946). Ludwig van Beethoven "Sinfonie No. 9" [Programmheft].
Cita Chicago (17th ed.)Ludwig Van Beethoven "Sinfonie No. 9" [Programmheft]. Magdeburg, 1946.
Cita MLA (8th ed.)Ludwig Van Beethoven "Sinfonie No. 9" [Programmheft]. 1946.
Atenció: Aquestes cites poden no estar 100% correctes.