AGGARWAL R S. (2016). VERBAL AND NON VERBAL REASONING. S CHAND.
Chicago Style aipamenaAGGARWAL R S. VERBAL AND NON VERBAL REASONING. New Delhi: S CHAND, 2016.
MLA aipamenaAGGARWAL R S. VERBAL AND NON VERBAL REASONING. S CHAND, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.