Robson, P. (1994). Forbidden drugs: Understanding drugs and why people take them. Oxford University Press.
Čikaški stil citiranja (17. izdanje)Robson, Philip. Forbidden Drugs: Understanding Drugs and Why People Take Them. Oxford: Oxford University Press, 1994.
MLA način citiranja (9. izdanje)Robson, Philip. Forbidden Drugs: Understanding Drugs and Why People Take Them. Oxford University Press, 1994.
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