Graves, B. (2000). Drug use and abuse. LifeMatters.
Cita Chicago Style (17a ed.)Graves, Bonnie. Drug Use and Abuse. Mankato, Minn: LifeMatters, 2000.
Cita MLA (8a ed.)Graves, Bonnie. Drug Use and Abuse. LifeMatters, 2000.
Precaución: Estas citas no son 100% exactas.