@book { TiergesttzteTherapiemitHunden,
    title = "Tiergestützte Therapie mit Hunden",
    author = "Mariella {Rubert}",
    year = "2018",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/442103"
}