1. Ethnicity and drug use;Adlaf;The International Journal of Addictions,1989
2. Anastasi, A., & Urbana, S. (1997). Psychological testing (8th ed.). Prentice Hall.
3. Comparative epidemiology of dependence on alcohol, controlled substances, and inhalants;Anthony;Experimental and Clinical Psychopharmocology,1994
4. Subtypes of cocaine abusers;Ball;Journal of Consulting and Clinical Psychology,1995
5. Types of alcoholics;Babor;Archives of General Psychiatry,1992