@book { Bildungsmanagement,
    title = "Bildungsmanagement",
    author = "Harald {Geißler} and Thomas vom {Bruch} and Jendrik {Petersen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1114671"
}