Whittington, O. R. (2014). Wiley CPA excel exam review study guide 2014: Business environment and concepts. John Wiley & Sons.
Cita Chicago (17th ed.)Whittington, O. Ray. Wiley CPA Excel Exam Review Study Guide 2014: Business Environment and Concepts. Hoboken, New Jersey: John Wiley & Sons, 2014.
Cita MLA (9th ed.)Whittington, O. Ray. Wiley CPA Excel Exam Review Study Guide 2014: Business Environment and Concepts. John Wiley & Sons, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.