Gaya APA

Brooks, L, J., Dunn, P. (2008). Business Professinal Ethics : for directors, executives & accountants (5th ed). Canada: South Western Cengage Learning.

Gaya MLA

Brooks, Leonard, J.., Dunn, Paul. "Business Professinal Ethics : for directors, executives & accountants". 5th ed Canada: South Western Cengage Learning, 2008. Text.