Ray, O. S., & Ksir, C. (1996). Drugs, society & human behavior (7th ed.). Mosby.
Lua i Stíl Chicago (17ú heag.)Ray, Oakley Stern, agus Charles Ksir. Drugs, Society & Human Behavior. 7th ed. St. Louis: Mosby, 1996.
Lua MLA (9ú heag.)Ray, Oakley Stern, agus Charles Ksir. Drugs, Society & Human Behavior. 7th ed. Mosby, 1996.
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