Cita APA (7a ed.)

Barker, D. L. A. (2007). Law: Made simple (12th ed.). Elsevier.

Cita Chicago Style (17a ed.)

Barker, D. L. A. Law: Made Simple. 12th ed. Oxford: Elsevier, 2007.

Cita MLA (9a ed.)

Barker, D. L. A. Law: Made Simple. 12th ed. Elsevier, 2007.