@ {3898,
	title = {Rozw{\'o}j sektora e-us{\l}ug na {\'s}wiecie},
	month = {2012},
	edition = {Wydanie II (poprawione i uzupe{\l}nione)},
	url = {http://www.web.gov.pl/g2/big/2012_07/371ad2dadfdb2eb28c14ab8566f83ba8.pdf},
	author = {T. Kawecki and M. Koralewski and Ko{\'s}mider, Artur and J. Langer and Szymon Mamrot and C. Manuszak and F. Nowak and J. Pucher and P. Sadowski and P. Soko{\l}owski and K. Szewczyk and J. Tomaszewski}
}
