Lua APA (7ú heag.)

Singh,B. (2019). General Studies 2019 For UPSC,SSC etc. NE.

Lua i Stíl Chicago (17ú heag.)

Singh,B. General Studies 2019 For UPSC,SSC Etc. New Delhi: NE, 2019.

Lua MLA (9ú heag.)

Singh,B. General Studies 2019 For UPSC,SSC Etc. NE, 2019.

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