MustoD. (1973): The American Disease: Origin or Narcotic Control.New Haven, Conn.: Yale University Press
6.
ReuterP. (1997): Why Can't We Make Prohibition Work Better? Some Consequences of Ignoring the Unattractive.Rand, Policy Research Centre, Santa Monica, California
7.
ReuterP., & MacCounR. (1995): Assessing the Legalization Debate. In: EstievenartG. (ed.): Policies and Strategies to Combat Drugs in Europe, Amsterdam: Kluwer
8.
SchmallegerF. (1996): Criminology Today.Englewood Cliffs, NJ: Simon and Schuster
9.
ShawM. (1995): A Cut Throat Business: The Development of Organised Crime. Crime and Conflict4: 1–4
10.
ShawM. (1998): Organised Crime In Post-Apartheid South Africa.Institute for Security Studies Occasional, Paper 28
ObotI.S. (2000): The linkage between licit and illicit drugs, HIV/AIDs, conflict, and their impact on socio-economic development in Africa (Unpublished Paper). Presented to the African Summit of Heads of State and Government, June 2000
19.
OdejideO. (1989): Alcohol and substance abuse among Nigerian youths. Inaugural Lecture Delivered at the University of Ibadan, Feb. 9, 1989
20.
OtuS. (2004): Drug Traffickers and Drug Trafficking. A sociological analysis of Selected Inmates in Pollsmoor and Goodwood Prisions in Cape Town, South Africa. Unpublished PhD Thesis. Bellville, Cape Town; University of the Western Cape