Twenty-first report / WHO Expert Committee on Drug Dependence ; [Geneva, 26 September - 1 October 1977].

MLA

Twenty-first Report / Who Expert Committee On Drug Dependence ; [geneva, 26 September - 1 October 1977]. Geneva, 1978.

APA

(1978). Twenty-first report / WHO Expert Committee on Drug Dependence ; [Geneva, 26 September - 1 October 1977]. Geneva.

Chicago

Twenty-First Report / WHO Expert Committee On Drug Dependence ; [geneva, 26 September - 1 October 1977]. Geneva, 1978.