Cita APA (7th ed.)

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.