@book { PersonalentwicklungsinstrumentCoaching,
    title = "Personalentwicklungsinstrument Coaching",
    author = "Melanie {Stor}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640671441",
    url = "https://www.hausarbeiten.de/document/154604"
}