@book{54826,
	author = {Babbie, Earl R. and Betkiewicz, Witold.},
	title = {Podstawy badań społecznych /},
	publisher = {Wydawnictwo Naukowe PWN,},
	year = {2008.},
	address = {Warszawa :},
	note = {Tyt. oryg.: "The basics of social research" 2005.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=54826}
}