Cita APA (7th ed.)
POWELL, J., & LOVELOCK, R. (1991). NORTHERN ROAD. A STUDY OF DEVELOPING SERVICES FOR DRUG MISUSERS. SOCIAL SERVICES RESEARCH AND INTELLIGENCE UNIT.
Cita Chicago (17th ed.)
POWELL, J., i R. LOVELOCK. NORTHERN ROAD. A STUDY OF DEVELOPING SERVICES FOR DRUG MISUSERS. PORTSMOUTH (UK): SOCIAL SERVICES RESEARCH AND INTELLIGENCE UNIT, 1991.
Cita MLA (9th ed.)
POWELL, J., i R. LOVELOCK. NORTHERN ROAD. A STUDY OF DEVELOPING SERVICES FOR DRUG MISUSERS. SOCIAL SERVICES RESEARCH AND INTELLIGENCE UNIT, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.