@book { MethodendesfremdsprachlichenDeutschunterrichtes,
    title = "Methoden des fremdsprachlichen Deutschunterrichtes",
    author = "Melanie {Lappe}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638206648",
    url = "https://www.hausarbeiten.de/document/15602"
}