APA Style

Porter, Brenda. (2014). Principles of external auditing 4th ed. (4th). Cornwall: .

Chicago Style

Porter, Brenda. Principles of external auditing 4th ed.. 4th Cornwall: , 2014. Text.

MLA Style

Porter, Brenda. Principles of external auditing 4th ed.. 4th Cornwall: , 2014. Text.

Turabian Style

Porter, Brenda. Principles of external auditing 4th ed.. 4th Cornwall: , 2014. Print.