@book { AFrameworkforFreedom,
    title = "A Framework for Freedom",
    subtitle = "Learner Autonomy in Foreign Language Teacher Education",
    author = "Kees {van Esch} and Oliver {St. John}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Deutschland",
    url = "https://www.peterlang.com/document/1095111"
}