@book { InterferenzfehlerdeutschlernenderAserbaidschaner,
    title = "Interferenzfehler deutschlernender Aserbaidschaner",
    author = "Pari {Isakova}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04549-9",
    url = "https://www.peterlang.com/document/1048612"
}