APA (7th ed.) Citation

Sterzik, R. (2014). Yamaha Keyboard Class (1. Aufl.). Yamaha.

Chicago Style (17th ed.) Citation

Sterzik, Roman. Yamaha Keyboard Class. 1. Aufl. Rellingen: Yamaha, 2014.

MLA (8th ed.) Citation

Sterzik, Roman. Yamaha Keyboard Class. 1. Aufl. Yamaha, 2014.

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