@book{33471,
	author = {MANKIW, Gregory N.},
	title = {Macroeconomics /},
	publisher = {Worth,},
	year = {cop. 1997.},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=33471}
}