Niekerk, C. Mahler contra Wagner: The Third Symphony and the Political Legacy of Romanticism / Carl Niekerk. Sound matters : essays on the acoustics of German culture.(2004).
Παραπομπή σε μορφή Chicago (17η εκδ.)Niekerk, Carl. "Mahler Contra Wagner: The Third Symphony and the Political Legacy of Romanticism / Carl Niekerk." Sound Matters : Essays on the Acoustics of German Culture.(2004) .
Παραπομπή σε μορφή MLA (8th εκδ.)Niekerk, Carl. "Mahler Contra Wagner: The Third Symphony and the Political Legacy of Romanticism / Carl Niekerk." Sound Matters : Essays on the Acoustics of German Culture.(2004), .
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