@book { LeparrainageenEuropeetenAmrique,
    title = "Le parrainage en Europe et en Amérique",
    author = "Guido {Alfani} and Vincent {Gourdon} and Isabelle {Robin}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6553-8",
    url = "https://www.peterlang.com/document/1053946"
}