@book { Pflegequalitt,
    title = "Pflegequalität!",
    author = "Karin {Klas} and Anita {Mitterdorfer} and Melitta {Horak}",
    year = "2020",
    publisher = "facultas",
    address = "Wien, Österreich",
    url = "https://campus-lizenzen.facultas.at/document/540566"
}