APA (7th ed.) Citation

Porsch, B., & Porsch, L. (2011). Training Grundwissen Realschule (1. Aufl. 1994.). Stark.

Chicago Style (17th ed.) Citation

Porsch, Barbara, and Lothar Porsch. Training Grundwissen Realschule. 1. Aufl. 1994. Freising: Stark, 2011.

MLA (9th ed.) Citation

Porsch, Barbara, and Lothar Porsch. Training Grundwissen Realschule. 1. Aufl. 1994. Stark, 2011.

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