APA (7th ed.) Citation

Grell, J., & Grell, M. (1990). Unterrichtsrezepte (59.-63. Tsd.). Beltz.

Chicago Style (17th ed.) Citation

Grell, Jochen, and Monika Grell. Unterrichtsrezepte. 59.-63. Tsd. Weinheim [u.a.]: Beltz, 1990.

MLA (9th ed.) Citation

Grell, Jochen, and Monika Grell. Unterrichtsrezepte. 59.-63. Tsd. Beltz, 1990.

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