Robertson, J. C., & Robertson, J. C. (1999). Auditing ed.9. McGraw-Hill.
Chicago Style aipamenaRobertson, Jack C., and Jack C. Robertson. Auditing Ed.9. McGraw-Hill, 1999.
MLA aipamenaRobertson, Jack C., and Jack C. Robertson. Auditing Ed.9. McGraw-Hill, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.