1. Akram, G., & Galt, M. (2009). A Profile of Harm-Reduction Practices and Co-Use of Illicit and Licit Drugs Amongst Users of Dance Drugs. Drugs: Education, Prevention and Policy, 6(2), 215–225.
2. Becker, H. S. (1963). Outsiders: Studies in the Sociology of Deviance. London: Free Press of Glencoe.
3. Bellis, M. A., Hughes, K., & Lowey, H. (2002). Healthy Nightclubs and Recreational Substance Use: From a Harm Minimisation to a Healthy Settings Approach. Addictive Behaviors, 27(6), 1025–1035.
4. Blackman, S. (2004). Chilling Out: The Cultural Politics of Substance Consumption, Youth and Drug Policy. Maidenhead: McGraw-Hill Education.
5. Blackman, S. J. (1996). Has Drug Culture Become an Inevitable Part of Youth Culture? A Critical Assessment of Drug Education. Educational Review, 48(2), 131–142.