@book { DasVerhltnisvonMotivationundCommitmentinUnternehmen,
    title = "Das Verhältnis von Motivation und Commitment in Unternehmen",
    author = "Martin {Schulze}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656430926",
    url = "https://www.hausarbeiten.de/document/215172"
}