@book { DeeltijdarbeidMytheenRealiteit,
    title = "Deeltijdarbeid: Mythe en Realiteit",
    author = "Lei {Delsen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1087790"
}