Dahlhaus, C. (1971). Richard Wagners Musikdramen. Friedrich.
Cita Chicago (17th ed.)Dahlhaus, Carl. Richard Wagners Musikdramen. Seelze: Friedrich, 1971.
Cita MLA (8th ed.)Dahlhaus, Carl. Richard Wagners Musikdramen. Friedrich, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.