@book { AnforderungenselbstgesteuertenLernens,
    title = "Anforderungen selbstgesteuerten Lernens",
    author = "Victoria {Bock}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640887774",
    url = "https://www.hausarbeiten.de/document/170129"
}