Röber, W. (1979). Peter Breuer.
Cita Chicago (17th ed.)Röber, Wolf-Dieter. Peter Breuer. Zwickau, 1979.
Cita MLA (8th ed.)Röber, Wolf-Dieter. Peter Breuer. 1979.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)