Dyfyniad APA

Siegel, L. J., & Larry J. Siegel. (2007). Criminology: Theories, Patterns, & Typologies 9th edition. Belmont, CA: Thomson/Wadsworth.

Dyfyniad Arddull Chicago

Siegel, Larry J., và Larry J. Siegel. Criminology: Theories, Patterns, & Typologies 9th Edition. Belmont, CA: Thomson/Wadsworth, 2007.

Dyfyniad MLA

Siegel, Larry J., và Larry J. Siegel. Criminology: Theories, Patterns, & Typologies 9th Edition. Belmont, CA: Thomson/Wadsworth, 2007.

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