@book { CorporateSocialResponsibilityinkleinenundmittlerenUnternehmen,
    title = "Corporate Social Responsibility in kleinen und mittleren Unternehmen",
    author = "Lisa {Neidhöfer}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842818606",
    url = "https://m.diplom.de/document/228547"
}