Cita APA (7th ed.)

Gossop, M., & Grant, M. (1990). Preventing and controlling drug abuse. Word Health Organization.

Cita Chicago (17th ed.)

Gossop, M., i M. Grant. Preventing and Controlling Drug Abuse. Word Health Organization, 1990.

Cita MLA (9th ed.)

Gossop, M., i M. Grant. Preventing and Controlling Drug Abuse. Word Health Organization, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.