@book{50081,
	author = {SWAN, Michael and WALTER, Catherine.},
	title = {The New Cambridge English Course :},
	publisher = {Cambridge University Press,},
	year = {1990.},
	address = {Cambridge :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50081}
}