Welling, M. (2007). Mathematics and statistics paper I Std XII. Manan prakashan.
Lua i Stíl Chicago (17ú heag.)Welling, M.N. Mathematics and Statistics Paper I Std XII. Mumbai: Manan prakashan, 2007.
Lua MLA (9ú heag.)Welling, M.N. Mathematics and Statistics Paper I Std XII. Manan prakashan, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.