@book{50086,
	author = {CAMBRIDGE OF UNIVERSITY LOCAL EXAMINATIONS SYNDICATE},
	title = {Cambridge Proficiency Examination Practice 4 /},
	publisher = {Cambridge University Press,},
	year = {1992.},
	series = {Cambridge Examinations Publishing},
	address = {Cambridge :},
	edition = {[Repr.].},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50086}
}