@book{2998,
	author = {BILLINGS, Evelyn and WESTMORE, Ann},
	title = {Metoda Billingsa :},
	year = {1986.},
	address = {Warszawa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=2998}
}