@book{50071,
	author = {SOARS, John and SOARS, Liz.},
	title = {Headway upper-intermediate /},
	publisher = {Oxford University Press,},
	year = {1992.},
	address = {Oxford :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50071}
}