@book { SozialeKostendesGlcksspielsinDeutschland,
    title = "Soziale Kosten des Glücksspiels in Deutschland",
    author = "Tilman {Becker}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108447"
}