Lua APA (7ú heag.)

Kumar, R. (2011). Research Methodology (3rd ed.). Sage Publications India Pvt. Ltd.

Lua i Stíl Chicago (17ú heag.)

Kumar, Ranjit. Research Methodology. 3rd ed. New Delhi: Sage Publications India Pvt. Ltd, 2011.

Lua MLA (9ú heag.)

Kumar, Ranjit. Research Methodology. 3rd ed. Sage Publications India Pvt. Ltd, 2011.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.