Bjorn Hibell, Anna Kokkevi, Ulf Guttormsson, Thoroddur Bjarnason, Olga Balakireva, Salme Ahlstrom, Ludwig Kraus, The 2007 ESPAD report. Substance use among students in 35 countries.The Swedish Council for Information on Alcohol and Other Drugs (CAN); EMCDDA; Council of Europe. ,(2009)
G.M. Schippers, S.M.M. Lammers, L. de Fuentes Merillas, M.A.G. van Aken, Acquiring the competence to drink responsiblyHoughton, E.; Roche, A.M. (ed.), Learning about drinking. pp. 35- 56 ,(2001)