@book { LearnerAutonomyinLanguageLearningDefiningtheFieldandEffectingChange,
    title = "Learner Autonomy in Language Learning: Defining the Field and Effecting Change",
    author = "Sara {Cotterall} and David A. {Crabbe}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-02293-3",
    url = "https://www.peterlang.com/document/1051875"
}