@ {3900,
	title = {Nowoczesne kana{\l}y komunikacji z klientem w e-biznesie},
	month = {2012},
	edition = {Wydanie I},
	url = {https://www.web.gov.pl/g2/big/2013_10/71ea9aa1442e7a8c147a374ec33a2f5b.pdf},
	author = {Ko{\'s}mider, Artur and Szymon Mamrot}
}
