Gaya APA

Hart, C, L., Ksir, C. (2011). Drugs, Society and Human Behaviour (14th ed.). America: BY THE MC GROW,HILLCOMPANIES.

Gaya MLA

Hart, Carl, L., Ksir, Charles. "Drugs, Society and Human Behaviour". 14th ed. America: BY THE MC GROW,HILLCOMPANIES, 2011. Text.