@book { LanguageProficiencyTestingforChineseasaForeignLanguage,
    title = "Language Proficiency Testing for Chinese as a Foreign Language",
    author = "Florian {Meyer}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03934-4",
    url = "https://www.peterlang.com/document/1048216"
}