@book{41307,
	author = {COSTINETT, Sandra and BYRD, Donald},
	title = {Spectrum 6 :},
	publisher = {Prentice Hall Regents,},
	year = {cop. 1986.},
	address = {Englewood Cliffs, N.J. :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=41307}
}