APA (7th ed.) Citation

Ptak M. Magdalena. (2010). Grammatik Intensivtrainer B1. Berlin, Langenscheidt, 2010.

Chicago Style (17th ed.) Citation

Ptak M. Magdalena. Grammatik Intensivtrainer B1. Berlin, Langenscheidt, 2010, 2010.

MLA (9th ed.) Citation

Ptak M. Magdalena. Grammatik Intensivtrainer B1. Berlin, Langenscheidt, 2010, 2010.

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