@book { ManagementundHierarchischeArbeitsteilung,
    title = "Management und Hierarchische Arbeitsteilung",
    author = "Dorothea {Schäfer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1081819"
}