@book { IntegratingContentandLanguageinHigherEducation,
    title = "Integrating Content and Language in Higher Education",
    author = "Jennifer {Valcke} and Robert {Wilkinson}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-07263-1",
    url = "https://www.peterlang.com/document/1050797"
}