@inproceedings{DiGRA-2011-WangS,
	author        = "Hao Wang and Chuen-Tsai Sun",
	booktitle     = "{Proceedings of the Sixth DiGRA International Conference: Think, Design, Play}",
	ee            = "http://www.digra.org/digital-library/publications/game-reward-systems-gaming-experiences-and-social-meanings/",
	publisher     = "{Digital Games Research Association}",
	title         = "{Game reward systems: Gaming experiences and social meanings}",
	year          = 2011,
}