APA

United States, Drug Abuse Warning Network, IMS America Ltd & National Institute On Drug Abuse. (1980). DAWN annual report. Washington, D.C: U.S. Dept. of Justice, Drug Enforcement Administration.

Chicago

United States, Drug Abuse Warning Network, IMS America Ltd and National Institute On Drug Abuse. 1980. DAWN annual report. Washington, D.C: U.S. Dept. of Justice, Drug Enforcement Administration.

Harvard

United States, Drug Abuse Warning Network, IMS America Ltd and National Institute On Drug Abuse. (1980). DAWN annual report. Washington, D.C: U.S. Dept. of Justice, Drug Enforcement Administration.

MLA

United States, Drug Abuse Warning Network, IMS America Ltd and National Institute On Drug Abuse. DAWN annual report. Washington, D.C: U.S. Dept. of Justice, Drug Enforcement Administration. 1980.