@book { EvolvingNatureoftheEnglishLanguage,
    title = "Evolving Nature of the English Language",
    subtitle = "Studies in Theoretical and Applied Linguistics",
    author = "Robert {Kiełtyka} and Agnieszka {Uberman}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06993-8",
    url = "https://www.peterlang.com/document/1050592"
}