Delfabbro, Paul, Jeffrey L. Derevensky, Sally Gainsbury, et al. Youth Gambling. The Hidden Addiction. Berlin, Boston: De Gruyter, 2011. Web. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/129351

Delfabbro, P., Derevensky, J., Gainsbury, S., et al. (2011). Youth Gambling. The Hidden Addiction. Berlin, Boston: De Gruyter. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/129351

Delfabbro, Paul, Jeffrey L. Derevensky, Sally Gainsbury, et al. 2011. Youth Gambling. The Hidden Addiction. Berlin, Boston: De Gruyter. Retrieved 26 May. 2013, from http://www.degruyter.com/view/product/129351