Ferri C. P., Gossop M. Route of cocaine administration: Patterns of use and problems among a brazilian sample (англ.) // en:Addictive Behaviors. — 1999. — November — December (vol. 24, no. 6). — P. 815—821. — doi:10.1016/S0306-4603(99)00036-2.
Committee for the Substance Abuse Coverage Study, Institute of Medicine.Treating Drug Problems / Dean R. Gershtein, Henrick J. Harwood. — Washington, D. C.: National Academies Press, 1992. — Т. 2. — 259 с.
Ferri C. P., Gossop M. Route of cocaine administration: Patterns of use and problems among a brazilian sample (англ.) // en:Addictive Behaviors. — 1999. — November — December (vol. 24, no. 6). — P. 815—821. — doi:10.1016/S0306-4603(99)00036-2.