@book { CorporateSocialResponsibilityandCustomerIntegration,
    title = "Corporate Social Responsibility and Customer Integration -",
    author = "Heike {Löber}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842822085",
    url = "https://m.diplom.de/document/228670"
}