Dyfyniad APA

Weiner, N. A., & Wolfgang, M. E. (1989). Violent crime, violent criminals. Sage Publications.

Dyfyniad Arddull Chicago

Weiner, Neil Alan, and Marvin E. Wolfgang. Violent Crime, Violent Criminals. Newbury Park, Calif.: Sage Publications, 1989.

Dyfyniad MLA

Weiner, Neil Alan, and Marvin E. Wolfgang. Violent Crime, Violent Criminals. Sage Publications, 1989.

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