@book{6621,
	author = {NICHOLAS, Gerd and SPRENGER, Margarete},
	title = {Wirtschaft - auf Deutsch :},
	publisher = {Klett,},
	year = {1994. },
	address = {München :},
	edition = {[Wyd.4].},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6621}
}