Aggarwal,R.S. (2007). Modern approach to verbal reasoning. S.Chand and Company.
Chicago Style aipamenaAggarwal,R.S. Modern Approach to Verbal Reasoning. New Delhi: S.Chand and Company, 2007.
MLA aipamenaAggarwal,R.S. Modern Approach to Verbal Reasoning. S.Chand and Company, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.