@book { SpezielleInstrumenteundAspektedesinternationalenControllings,
    title = "Spezielle Instrumente und Aspekte des internationalen Controllings",
    author = "Jan {Otto}",
    year = "2007",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638682503",
    url = "https://www.hausarbeiten.de/document/71997"
}