RAY, O., & KSIR, C. (1999). Drugs, society, and human behavior.-- ed.8. WBC/McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)RAY, Oakley, agus Charles KSIR. Drugs, Society, and Human Behavior.-- Ed.8. Boston: WBC/McGraw-Hill, 1999.
Lua MLA (9ú heag.)RAY, Oakley, agus Charles KSIR. Drugs, Society, and Human Behavior.-- Ed.8. WBC/McGraw-Hill, 1999.
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