@inproceedings{DiGRA-2013-Raczkowski,
	author        = "Felix Raczkowski",
	booktitle     = "{Proceedings of the Seventh DiGRA International Conference: DeFragging Game Studies}",
	ee            = "http://www.digra.org/digital-library/publications/its-all-fun-and-games-a-history-of-ideas-concerning-gamification/",
	publisher     = "{Digital Games Research Association}",
	title         = "{It's all fun and games... A history of ideas concerning gamification}",
	year          = 2013,
}