APA (7th ed.) Citation

(2006). Lehr-, Lernforschung. Bertelsmann.

Chicago Style (17th ed.) Citation

Lehr-, Lernforschung. Bielefeld: Bertelsmann, 2006.

MLA (9th ed.) Citation

Lehr-, Lernforschung. Bertelsmann, 2006.

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