@book { Linguistiquefranaisefranaislanguetrangre,
    title = "Linguistique française: français langue étrangère",
    author = "Volker {Fuchs} and Serge {Meleuc}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096081"
}