@book { Lesprofessionnelsetleursformations,
    title = "Les professionnels et leurs formations",
    author = "Richard {Wittorski} and Olivier {Maulini} and Maryvonne {Sorel}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0352-0274-8",
    url = "https://www.peterlang.com/document/1053169"
}