@book { konomischeAnalysevonKinderarbeit,
    title = "Ökonomische Analyse von Kinderarbeit",
    author = "Jan {Wettengel}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656488972",
    url = "https://www.hausarbeiten.de/document/230795"
}