@book { CorporateSocialResponsibility, title = "Corporate Social Responsibility", subtitle = "Stand der Forschung und Entwicklungstrends", author = "Christian {Leitz}", year = "2009", publisher = "Diplom.de", address = "Hamburg, Germany", doi = "10.3239/9783836626422", url = "https://m.diplom.de/document/226586" }