DEA. 10 July, 2018. Operational Divisions. Retrieved from https://www.dea.gov/who-we-are/operational-divisions on 21 September, 2023

DEA. "Operational Divisions."Drug Enforcement Agency, 10 July, 2018, https://www.dea.gov/who-we-are/operational-divisions Accessed 21 September, 2023.

DEA. . Drug Enforcement Agency on DEA website. https://www.dea.gov/who-we-are/operational-divisions. 10 July, 2018. Accessed 21 September, 2023.