APA aipamena

Gravelle, J., & Rogers, C. (2020). Researching the Police in the 21st Century. Palgrave Macmillan UK.

Chicago Style aipamena

Gravelle, J., và C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.

MLA aipamena

Gravelle, J., và C. Rogers. Researching the Police in the 21st Century. Palgrave Macmillan UK, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.