@book { VariationandChangeinAberdeenEnglish,
    title = "Variation and Change in Aberdeen English",
    author = "Thorsten {Brato}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-07196-2",
    url = "https://www.peterlang.com/document/1050766"
}