Aggarwal, R. (2021). Modern Approach to Verbal & Non-Verbal Reasoning (04th.). S.Chand Publisher.
Lua i Stíl Chicago (17ú heag.)Aggarwal, R.S. Modern Approach to Verbal & Non-Verbal Reasoning. 04th. New Delhi: S.Chand Publisher, 2021.
Lua MLA (9ú heag.)Aggarwal, R.S. Modern Approach to Verbal & Non-Verbal Reasoning. 04th. S.Chand Publisher, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.