Emmett, D., & Nice, G. (1996). Understanding drugs: A handbook for parents, teachers and other professionals. J. Kingsley.
Cita Chicago (17th ed.)Emmett, David, i Graeme Nice. Understanding Drugs: A Handbook for Parents, Teachers and Other Professionals. London ; Bristol, Pa.: J. Kingsley, 1996.
Cita MLA (8th ed.)Emmett, David, i Graeme Nice. Understanding Drugs: A Handbook for Parents, Teachers and Other Professionals. J. Kingsley, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.