@book { TeachingEnglishPronunciationattheSecondarySchoolLevel,
    title = "Teaching English Pronunciation at the Secondary School Level",
    author = "Karolina {Janczukowicz}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03988-7",
    url = "https://www.peterlang.com/document/1048240"
}