Hart, C. L., Ksir, C., & Ray, O. (2009). Drugs, society, and human behavior (13th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Hart, Carl L., Charles Ksir, i Oakley Ray. Drugs, Society, and Human Behavior. 13th ed. Boston: McGraw-Hill, 2009.
Cita MLA (9th ed.)Hart, Carl L., et al. Drugs, Society, and Human Behavior. 13th ed. McGraw-Hill, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.