APA (7th ed.) Citation

Krüttli, R. (1999). Training with Bach: Roland Krüttli (Dt. Version.). Difem.

Chicago Style (17th ed.) Citation

Krüttli, Roland. Training with Bach: Roland Krüttli. Dt. Version. La Chaux-du-Milieu: Difem, 1999.

MLA (8th ed.) Citation

Krüttli, Roland. Training with Bach: Roland Krüttli. Dt. Version. Difem, 1999.