USA. (1979). Gains made in controlling illegal drugs, yet the drug trade flourishes. U.S. General Accounting Office.
Cita Chicago Style (17a ed.)USA. Gains Made in Controlling Illegal Drugs, yet the Drug Trade Flourishes. Washington, D.C: U.S. General Accounting Office, 1979.
Cita MLA (9a ed.)USA. Gains Made in Controlling Illegal Drugs, yet the Drug Trade Flourishes. U.S. General Accounting Office, 1979.
Precaución: Estas citas no son 100% exactas.