Cita APA (7th ed.)
RAMSAY, M. (1998). PERSISTENT DRUG-MISUSING OFFENDERS. RESEARCH AND STATISTICS DIRECTORATE.
Cita Chicago (17th ed.)
RAMSAY, M. PERSISTENT DRUG-MISUSING OFFENDERS. CROYDON (UK): RESEARCH AND STATISTICS DIRECTORATE, 1998.
Cita MLA (9th ed.)
RAMSAY, M. PERSISTENT DRUG-MISUSING OFFENDERS. RESEARCH AND STATISTICS DIRECTORATE, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.