@book { PersonalfhrunginSpanienundDeutschland,
    title = "Personalführung in Spanien und Deutschland",
    author = "Vivian {Marciniak}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832485252",
    url = "https://m.diplom.de/document/223729"
}