@book{25020,
	author = {GRELAK, Kazimierz},
	title = {Marketing produktu /},
	publisher = {Wydawnictwa Uczelniane PL,},
	year = {1996.},
	address = {Lublin :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=25020}
}