Whittington, O. R. (2015). Wiley CPA excel exam review study guide 2015: Auditing and attestation. John Wiley & Sons.
Čikaški stil citiranja (17. izdanje)Whittington, O. Ray. Wiley CPA Excel Exam Review Study Guide 2015: Auditing and Attestation. Hoboken, New Jersey: John Wiley & Sons, 2015.
MLA način citiranja (9. izdanje)Whittington, O. Ray. Wiley CPA Excel Exam Review Study Guide 2015: Auditing and Attestation. John Wiley & Sons, 2015.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.