Aggarwal, V. S. (1985). Efficiency auditing. National Pub.
Chicago Style aipamenaAggarwal, V. S. Efficiency Auditing. New Delhi: National Pub, 1985.
MLA aipamenaAggarwal, V. S. Efficiency Auditing. National Pub, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.