1. Alexandrescu, L. (2018). ‘Ethnobotanicals’ and ‘Spice zombies’: New psychoactive substances in the mainstream media. Drugs: Education, Prevention and Policy, 25(4), 356–364.
2. Andell, P. (2019). Thinking seriously about gangs: Towards a critical realist approach. London: Palgrave Macmillan.
3. APPG on Runaway and Missing Children and Adults. (2017). Briefing report on the roundtable on children who go missing and are criminally exploited by gangs [online]. Retrieved from https://www.childrenssociety.org.uk/sites/default/files/appg-missing-gangs-and-exploitation-roundtable-report.pdf
4. Ayres, T., & Jewkes, Y. (2012). The haunting spectacle of crystal meth: A media-created mythology? Crime, Media, Culture, 8(3), 315–332.
5. Bacon, M. (2016). Taking care of business: Police detectives, drug law enforcement and proactive investigation. Oxford: Oxford University Press.