@book { QualittsmanagementinderSozialenArbeit,
    title = "Qualitätsmanagement in der Sozialen Arbeit",
    author = "Alexander Thomas {Kreutzer}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656424734",
    url = "https://www.hausarbeiten.de/document/214150"
}