Dyfyniad APA

Siegel, L. J. (2007). Criminology: Heories, patterns, and typologies (9th ed.). Belmont, CA: Thomson Wadsworth.

Dyfyniad Arddull Chicago

Siegel, Larry J. Criminology: Heories, Patterns, and Typologies. 9th ed. Belmont, CA: Thomson Wadsworth, 2007.

Dyfyniad MLA

Siegel, Larry J. Criminology: Heories, Patterns, and Typologies. 9th ed. Belmont, CA: Thomson Wadsworth, 2007.

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