(2020). mini-handbuch Kreativ Probleme lösen. Beltz.
Chicago Style (17th ed.) CitationMini-handbuch Kreativ Probleme Lösen. Weinheim: Beltz, 2020.
MLA (9th ed.) CitationMini-handbuch Kreativ Probleme Lösen. Beltz, 2020.
Warning: These citations may not always be 100% accurate.