@book{47248,
	author = {MEHR, Joseph.},
	title = {Human services :},
	publisher = {Allyn and Bacon,},
	year = {c. 1986.},
	address = {Boston :},
	edition = {3rd edition.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=47248}
}