@book { Leslanguesetlcole,
    title = "Les langues et l'école",
    subtitle = "Bilinguisme inégal dans l'école algérienne- Préface de Jean-Paul Bronckart",
    author = "Bernard {Schneuwly}",
    year = "1983",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1070786"
}