@book { DieeffektivstenFatburner, title = "Die effektivsten Fatburner", subtitle = "Endlich abnehmen ohne Diät, Stress und Hunger. Die 33 besten Fatburner-Rezepte", author = "Sven-David {Müller}", year = "2010", publisher = "humboldt", address = "Hannover, Deutschland", url = "https://schluetersche.openpublishing.com/document/403507" }