@book { ClaimmakingandClaimchallenginginEnglishandPolishLinguisticDiscourses,
    title = "Claim-making and Claim-challenging in English and Polish Linguistic Discourses",
    author = "Grzegorz {Kowalski}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03330-4",
    url = "https://www.peterlang.com/document/1047711"
}