Srivastava T.N. (2011). Business Research Methodology (1st.). Tata McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Srivastava T.N. Business Research Methodology. 1st. New Delhi: Tata McGraw Hill, 2011.
Lua MLA (9ú heag.)Srivastava T.N. Business Research Methodology. 1st. Tata McGraw Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.