KUMAR RANJIT. (2017). RESEARCH METHODOLOGY: A STEP BY STEP GUIDE FOR BEGINNERS (4TH.). SAGE.
Lua i Stíl Chicago (17ú heag.)KUMAR RANJIT. RESEARCH METHODOLOGY: A STEP BY STEP GUIDE FOR BEGINNERS. 4TH. SAGE, 2017.
Lua MLA (9ú heag.)KUMAR RANJIT. RESEARCH METHODOLOGY: A STEP BY STEP GUIDE FOR BEGINNERS. 4TH. SAGE, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.