Emmett, D., & Nice, G. (1996). Understanding drugs: A handbook for parents, teachers and other professionals. J. Kingsley.
Lua i Stíl Chicago (17ú heag.)Emmett, David, agus Graeme Nice. Understanding Drugs: A Handbook for Parents, Teachers and Other Professionals. London ; Bristol, Pa.: J. Kingsley, 1996.
Lua MLA (8ú heag.)Emmett, David, agus Graeme Nice. Understanding Drugs: A Handbook for Parents, Teachers and Other Professionals. J. Kingsley, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.