Levinthal, C. F. (2008). Drugs, behavior, and modern society (5th ed.). Pearson/Allyn & Bacon.
Lua i Stíl Chicago (17ú heag.)Levinthal, Charles F. Drugs, Behavior, and Modern Society. 5th ed. Boston: Pearson/Allyn & Bacon, 2008.
Lua MLA (9ú heag.)Levinthal, Charles F. Drugs, Behavior, and Modern Society. 5th ed. Pearson/Allyn & Bacon, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.