@book { MitarbeiterfluktuationRetentionmanagementundHandlungsempfehlungen,
    title = "Mitarbeiterfluktuation, Retentionmanagement und Handlungsempfehlungen",
    author = "Sandra {Waldeyer}",
    year = "2019",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/456314"
}