@book { PlaybookPsychologischeSicherheit, title = "Playbook Psychologische Sicherheit", subtitle = "Wirksamer führen durch mehr Menschlichkeit", author = "Karolin {Helbig} and Minette {Norman} and Mike {Kauschke}", year = "2024", publisher = "Vahlen", address = "München, Deutschland", url = "https://vahlen.openpublishing.com/document/1478419" }