Fields, R. (1992). Drugs and alcohol in perspective. Brown.
Cita Chicago Style (17a ed.)Fields, Richard. Drugs and Alcohol in Perspective. Dubuque, Iowa: Brown, 1992.
Cita MLA (8a ed.)Fields, Richard. Drugs and Alcohol in Perspective. Brown, 1992.
Precaución: Estas citas no son 100% exactas.