@book { DieWortartenimDeutschen,
    title = "Die Wortarten im Deutschen",
    author = "Sophia {Schroll}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640104284",
    url = "https://www.hausarbeiten.de/document/112215"
}