@book { AuthorialPresenceinEnglishAcademicTexts,
    title = "Authorial Presence in English Academic Texts",
    author = "Iga {Lehman}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14175",
    url = "https://www.peterlang.com/document/1056559"
}