@book { TeachingForeignLanguagesforTourism,
    title = "Teaching Foreign Languages for Tourism",
    subtitle = "Research and Practice",
    author = "Gloria {Bosch} and Torsten {Schlak}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0352-0168-0",
    url = "https://www.peterlang.com/document/1052910"
}