APA (7th ed.) Citation

Schwarz, T. (2012). 30 Minuten Online-Marketing. Gabal Verlag GmbH.

Chicago Style (17th ed.) Citation

Schwarz, Torsten. 30 Minuten Online-Marketing. Offenbach: Gabal Verlag GmbH, 2012.

MLA (9th ed.) Citation

Schwarz, Torsten. 30 Minuten Online-Marketing. Gabal Verlag GmbH, 2012.

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