@book { KundenorientierteAnreizsystemeimberatungsintensivenFacheinzelhandel, title = "Kundenorientierte Anreizsysteme im beratungsintensiven Facheinzelhandel", author = "Bettina {Sunderdiek}", year = "2021", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1091828" }