@book { GeschichtederPersonalberatung,
    title = "Geschichte der Personalberatung",
    author = "Eckhard {Neudeck}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06513-8",
    url = "https://www.peterlang.com/document/1050068"
}