@book { AcademicVocabularyinContext,
    title = "Academic Vocabulary in Context",
    author = "David {Hirsh}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0012-9",
    url = "https://www.peterlang.com/document/1052176"
}