@book {9783956234941, 
	title = "TopSelling",
	author = "Fink, Klaus-J.",
	isbn = "9783956234941",
	year = "2017",
	edition = "1",
	keywords = "Marketing, Verkauf, Vertrieb, Akquise, Leidenschaft, Social Media, Höflichkeit, Ehrlichkeit, Empfehlungsmarketing, Einwandbehandlung, Neukunden, Preisverhandlung, Identifikation, Telefonverkauf, Hartnäckigkeit, After Sales",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783956234941",
	url = "https://content-select.com/de/portal/media/view/591184bc-5324-4a54-8da2-255ab0dd2d03",
	publisher = "GABAL",
	language = "ger",
}