APA استشهاد

Ashworth, A. (1999). Principles of criminal law (3rd ed.). Oxford.

استشهاد بنمط شيكاغو

Ashworth, Andrew. Principles of Criminal Law. 3rd ed. N.Y: Oxford, 1999.

MLA استشهاد

Ashworth, Andrew. Principles of Criminal Law. 3rd ed. Oxford, 1999.