Vetter, W. (1934). Franz Schubert: Von Walther Vetter. Akad. Verl.-Ges. Athenaion.
Cita Chicago (17th ed.)Vetter, Walther. Franz Schubert: Von Walther Vetter. Potsdam: Akad. Verl.-Ges. Athenaion, 1934.
Cita MLA (8th ed.)Vetter, Walther. Franz Schubert: Von Walther Vetter. Akad. Verl.-Ges. Athenaion, 1934.
Atenció: Aquestes cites poden no estar 100% correctes.