@book { AccentandIdentityinLearnerVarietiesofEnglish,
    title = "Accent and Identity in Learner Varieties of English",
    author = "Stefanie {Rottschäfer}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13464",
    url = "https://www.peterlang.com/document/1055899"
}