@book { VerhaltensorientiertesControlling,
    title = "Verhaltensorientiertes Controlling",
    author = "Daniel {Punzo}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640774647",
    url = "https://www.hausarbeiten.de/document/163214"
}