Robertson, J. C., & Robertson, J. C. (1999). Auditing ed.9. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Robertson, Jack C., agus Jack C. Robertson. Auditing Ed.9. McGraw-Hill, 1999.
Lua MLA (8ú heag.)Robertson, Jack C., agus Jack C. Robertson. Auditing Ed.9. McGraw-Hill, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.