Kothari C R & Garg Gaurav. (2022). Research Methodology Methods And Techniques (4rd Ed.). New Age Internation.
Lua i Stíl Chicago (17ú heag.)Kothari C R agus Garg Gaurav. Research Methodology Methods And Techniques. 4rd Ed. New Delhi: New Age Internation, 2022.
Lua MLA (9ú heag.)Kothari C R agus Garg Gaurav. Research Methodology Methods And Techniques. 4rd Ed. New Age Internation, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.