OMS. (1999). WHO technical report series; N887: 31th report,WHO expert committee on drug dependence. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. WHO Technical Report Series; N887: 31th Report,WHO Expert Committee On Drug Dependence. Geneva: OMS, 1999.
Trích dẫn MLAOMS. WHO Technical Report Series; N887: 31th Report,WHO Expert Committee On Drug Dependence. Geneva: OMS, 1999.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.