@book { BildunginderWeiterbildungsberatung,
    title = "Bildung in der Weiterbildungsberatung",
    author = "Alexander {Kunz}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638048415",
    url = "https://www.hausarbeiten.de/document/90658"
}