Dyfyniad APA

Roth, M. P. (2001). Historical dictionary of law enforcement. Greenwood Press.

Dyfyniad Arddull Chicago

Roth, Mitchel P. Historical Dictionary of Law Enforcement. Westport, CT: Greenwood Press, 2001.

Dyfyniad MLA

Roth, Mitchel P. Historical Dictionary of Law Enforcement. Greenwood Press, 2001.

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