@book { TQMCTotalQualityManagementundMarketing,
    title = "TQMC (Total Quality Management) und Marketing",
    subtitle = "Ein Konzeptvergleich",
    author = "Vera-Carina {Elter}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832437312",
    url = "https://m.diplom.de/document/219415"
}