Tata , M. (1988). Quantitative aptitude ( numericalability ) for clerks grade examination. Tata McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Tata , Mcgraw. Quantitative Aptitude ( Numericalability ) for Clerks Grade Examination. New Delhi: Tata McGraw Hill, 1988.
Lua MLA (9ú heag.)Tata , Mcgraw. Quantitative Aptitude ( Numericalability ) for Clerks Grade Examination. Tata McGraw Hill, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.