@book { SozialesKapitalNetzwerkeIntegration,
    title = "Soziales Kapital, Netzwerke, Integration ",
    author = "Vanessa  {Schäfer}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640919116",
    url = "https://www.hausarbeiten.de/document/172138"
}