Aggarwal, R. (2018). Modern Approach to Non-Verbal Reasoning (01st.). S.Chand Publisher.
Lua i Stíl Chicago (17ú heag.)Aggarwal, R.S. Modern Approach to Non-Verbal Reasoning. 01st. New Delhi: S.Chand Publisher, 2018.
Lua MLA (9ú heag.)Aggarwal, R.S. Modern Approach to Non-Verbal Reasoning. 01st. S.Chand Publisher, 2018.
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