@book { AktiveFondsvsPassiveETFsEineAnalyseinTheorieundPraxis, title = "Aktive Fonds vs. Passive ETFs: Eine Analyse in Theorie und Praxis", author = "Barbara Carmen {Claus}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Germany", url = "https://m.bachelor-master-publishing.de/document/297639" }