@book{54987,
	author = {Graf, Hagen and Kita, Paweł and Helion},
	title = {Joomla! :},
	publisher = {Wydawnictwo Helion,},
	year = {cop. 2007.},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=54987}
}