@book { Wortschatzvermittlung,
    title = "Wortschatzvermittlung",
    author = "C. {Köhne}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640919857",
    url = "https://www.hausarbeiten.de/document/172094"
}