@book{58070,
	author = {ebrary, Inc.},
	title = {Proven tactics in viral marketing},
	publisher = {MarketingSherpa, Inc.,},
	year = {2003.},
	series = {Practical know-how & case studies},
	address = {Portsmouth, R.I. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10035704}
}