@book { Tempsetmodalit,
    title = "Temps et modalité",
    subtitle = "L’anglais, le français et l’allemand en contraste",
    author = "Agnès {Celle}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098908"
}