@book{50070,
	author = {BOWLER, Bill and CUNNIGHAM, Sara.},
	title = {Headway upper-intermediate :},
	publisher = {Oxford University Press,},
	year = {c. 1991.},
	address = {Oxford :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50070}
}