@book{30107,
	author = {Blaug, Mark and Budzyńska, Izabela and Wydawnictwo Naukowe PWN},
	title = {Teoria ekonomii :},
	publisher = {Wydaw. Naukowe PWN,},
	year = {1994.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=30107}
}