Kortmann, O. (2016). 30 Minuten Transformationales Führen (1.). Gabal Verlag GmbH.
Chicago Style (17th ed.) CitationKortmann, Olaf. 30 Minuten Transformationales Führen. 1. Offenbach: Gabal Verlag GmbH, 2016.
MLA (9th ed.) CitationKortmann, Olaf. 30 Minuten Transformationales Führen. 1. Gabal Verlag GmbH, 2016.
Warning: These citations may not always be 100% accurate.