Dyfyniad APA

ebrary, Inc, Skogan, W. G., & Frydl, K. (2004). Fairness and effectiveness in policing: The evidence. National Academies Press.

Dyfyniad Arddull Chicago

ebrary, Inc, Wesley G. Skogan, and Kathleen Frydl. Fairness and Effectiveness in Policing: The Evidence. Washington, DC: National Academies Press, 2004.

Dyfyniad MLA

ebrary, Inc, et al. Fairness and Effectiveness in Policing: The Evidence. National Academies Press, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.