Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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