@inproceedings{DiGRA-2009-VerhagenJ,
	author        = "Harko Verhagen and Magnus Johansson",
	booktitle     = "{Proceedings of the Fifth DiGRA International Conference: Breaking New Ground: Innovation in Games, Play, Practice and Theory}",
	ee            = "http://www.digra.org/digital-library/publications/demystifying-guilds-mmorpg-playing-and-norms/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Demystifying guilds: MMORPG-playing and norms}",
	year          = 2009,
}