APA (7th ed.) Citation

Barabas, H., & Ratzka, J. (2006). Rock- & Pop-Klavier (1. Aufl.). Barabas & Ratzka.

Chicago Style (17th ed.) Citation

Barabas, Helge, and Johanna Ratzka. Rock- & Pop-Klavier. 1. Aufl. Mainbernheim: Barabas & Ratzka, 2006.

MLA (9th ed.) Citation

Barabas, Helge, and Johanna Ratzka. Rock- & Pop-Klavier. 1. Aufl. Barabas & Ratzka, 2006.

Warning: These citations may not always be 100% accurate.