@book{6623,
	author = {Kopycińska, Danuta},
	title = {Zadania z mikroekonomii :},
	publisher = {[Hansapol],},
	year = {1994.},
	series = {Polubić Ekonomię},
	address = {Szczecin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6623}
}