Geneva, T. W. E. C. o. D. D. 2. 1. (1993). WHO expert committee on drug dependence twenty-eighth report. Geneva World Health Organization.
Citação do estilo Chicago (17ª ed.)Geneva, The WHO Expert Committee on Drug Dependence 28 1992. WHO Expert Committee on Drug Dependence Twenty-eighth Report. Geneva World Health Organization, 1993.
Citação MLA (8ª ed.)Geneva, The WHO Expert Committee on Drug Dependence 28 1992. WHO Expert Committee on Drug Dependence Twenty-eighth Report. Geneva World Health Organization, 1993.
Citação IICA/CATIEGeneva, T. W. E. C. o. D. D. 2. 1. 1993. WHO expert committee on drug dependence twenty-eighth report. Geneva World Health Organization.