APA

Ashworth Andrew,, . (1999). Principles of criminal law. Oxford: Oxford University Press.

Chicago

Ashworth Andrew,, . 1999. Principles of criminal law. Oxford: Oxford University Press.

Harvard

Ashworth Andrew,, . (1999). Principles of criminal law. Oxford: Oxford University Press.

MLA

Ashworth Andrew,, . Principles of criminal law. Oxford: Oxford University Press. 1999.