Cita APA (7th ed.)
(1998). Psychoactive Drug: Improvin Prescribing Practices. World Health Organization.
Cita Chicago (17th ed.)
Psychoactive Drug: Improvin Prescribing Practices. Geneva: World Health Organization, 1998.
Cita MLA (9th ed.)
Psychoactive Drug: Improvin Prescribing Practices. World Health Organization, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.