Kothari, C., & Garg, G. (2019). Research Methodology: Methods and Techniques. New Age International Publishers.
Lua i Stíl Chicago (17ú heag.)Kothari, C.R, agus Gaurav Garg. Research Methodology: Methods and Techniques. New Delhi: New Age International Publishers, 2019.
Lua MLA (9ú heag.)Kothari, C.R, agus Gaurav Garg. Research Methodology: Methods and Techniques. New Age International Publishers, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.