@book {9783955714123, 
	title = "We can work it out",
	author = "Rosenberg, Marshall B.",
	isbn = "9783955714123",
	year = "2015",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783955714123",
	url = "https://content-select.com/de/portal/media/view/5a86cc8a-fbe8-433c-8e82-649fb0dd2d03",
	publisher = "Junfermann Verlag",
	language = "ger",
}