@book { KollokationenimDaFUnterricht,
    title = "Kollokationen im DaF-Unterricht",
    author = "Khrystyna {Gevkalyuk}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836628242",
    url = "https://m.diplom.de/document/226711"
}