@book{32839,
	author = {McKELLEN, J. S.},
	title = {General usage /},
	publisher = {Penguin Books,},
	year = {cop.1990.},
	series = {Test Your Business English},
	address = {London :},
	edition = {[6th impr.].},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=32839}
}