@book { MotivationalesKlimaimSportUnterricht,
    title = "Motivationales Klima im (Sport)Unterricht",
    author = "Anne {Westphal}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/279874"
}