Recovery Support Network: Recovery Support Network Data Report, 2012.
Lesieur, H.R. and Blume, S.B.: The South Oaks Gambling Screen (SOGS): a new instrument for the identification of pathological gamblers. Am J Psychiatry, 144: 1184-1188, 1987.
Kessler, R.C., Andrews, G., Colpe, L.J., Hiripi, E., Mroczek, D.K., Normand, S.L., Walters, E.F. and Zaslaysky, A.M. :Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychological Medicine, 32: 959-976, 2002.