@inbook {777,
	title = {Managing social reputation in Twitter},
	booktitle = {Digital Identity and Social Media},
	year = {2012},
	publisher = {IGI Pub.},
	organization = {IGI Pub.},
	edition = {Warburton, Steven \& Hatzipanagos, Stylianos},
	author = {Preussler, Annabell and Michael Kerres}
}
