@book { EffektivittdesdeutschenEnforcement,
    title = "Effektivität des deutschen Enforcement",
    author = "Lars {Hoffmann}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656225935",
    url = "https://www.hausarbeiten.de/document/196463"
}