May, Tiggey and Bhardwa, Bina (2015) Markets and distribution systems: the birth, growth and transformation of UK drug markets. In: Brownstein, H.H. (ed.) The Handbook of Drugs and Society. Wiley Handbooks in Criminology and Criminal Justice 6. Chichester, U.K.: Wiley Blackwell, pp. 416-442.
Kirby, Amy and Jacobson, Jessica (2014) Public attitudes to the sentencing of drug offences. Criminology & Criminal Justice 14 (3), pp. 334-350.
Trautmann, F., Kilmer, B., Turnbull, Paul, May, Tiggey, Mcsweeney, Tim and Skrine, Oonagh (2013) Further insights into aspects of the EU illicit drugs market: summaries and key findings. Project Report. European Commission, Luxembourg.
McSweeney, Tim and Turnbull, Paul J. (2011) Enforcement strategies of drug control. In: Kleiman, M.A.R. and Hawdon, J.E. (eds.)Encyclopedia of Drug Policy. London, UK: Sage, pp. 176-182.
Schaub, M. and Stevens, A. and Haug, S. and Berto, D. and Hunt, N. and Kerschl, V. and McSweeney, Tim and Oeuvray, K. and Puppo, I. and Santa Maria, A. and Trinkl, B. and Werdenich, W. and Uchtenhagen, A. (2011) Predictors of retention in the ‘voluntary’ and ‘quasi-compulsory’ treatment of substance dependence in Europe. European Addiction Research 17 (2), pp. 97-105.
Turnbull, Paul J. and Skinns, L. (2010) Drug interventions programme: neither success nor failure? In: Hucklesby, A. and Wincup, E.(eds.) Drug Interventions in Criminal Justice. Maidenhead, UK: Open University Press, pp. 64-83.