@book { DieProfessionalisierungderPflege,
    title = "Die Professionalisierung der Pflege",
    author = "Martin {Römer}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638522946",
    url = "https://www.hausarbeiten.de/document/57990"
}