Gravelle, J., & Rogers, C. (2020). Researching the Police in the 21st Century. Palgrave Macmillan UK.
Trích dẫn kiểu ChicagoGravelle, J., và C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.
Deismireacht MLAGravelle, J., và C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.