1. Akhtar, S., & South, N. (2000). Hidden from Heroin’s History: Heroin use and dealing within an English Asian community—A case study. Crime Prevention Studies, 11, 153–178.
2. Amnesty International UK. (2018). Trapped in the matrix. https://www.amnesty.org.uk/files/reports/Trapped%2520in%2520the%2520Matrix%2520Amnesty%2520report.pdf
3. Andell, P. (2015). Thinking about gangs (Unpublished Doctoral Thesis) University of Bedfordshire.
4. Andell, P. (2019). Thinking Seriously about Gangs: Towards a critical realist approach. Springer International Publishing AG. http://ebookcentral.proquest.com/lib/ucsl/detail.action?docID=5771093
5. Andell, P. (2020). Gangs, violence and county lines. In The handbook of collective violence (pp. 198–208). Routledge.