Cooper, M. H. (1990). The business of drugs. Congressional Quarterly.
Cita Chicago Style (17a ed.)Cooper, Mary H. The Business of Drugs. Washington, DC: Congressional Quarterly, 1990.
Cita MLA (9a ed.)Cooper, Mary H. The Business of Drugs. Congressional Quarterly, 1990.
Precaución: Estas citas no son 100% exactas.