@book { Lemarchdutravail,
    title = "Le marché du travail",
    author = "Jean {Vercherand}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/b13101",
    url = "https://www.peterlang.com/document/1113395"
}