@book { ControllingAufgabenbeiderPersonalfhrung,
    title = "Controlling - Aufgaben bei der Personalführung",
    author = "Mandy {Linke}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640947980",
    url = "https://m.hausarbeiten.de/document/174366"
}