Aggarwal , R. (1998). Objective general English. S. Chand.
Lua i Stíl Chicago (17ú heag.)Aggarwal , R. Objective General English. New Delhi: S. Chand, 1998.
Lua MLA (9ú heag.)Aggarwal , R. Objective General English. S. Chand, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.