@book { FunktionenundInstrumentederPersonalarbeit,
    title = "Funktionen und Instrumente der Personalarbeit",
    author = "Irene {Kilubi}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842812819",
    url = "https://m.diplom.de/document/228443"
}