Welling, M. (2006). Mathematical techniques F.Y.B.Com (6th.). Manan.
Lua i Stíl Chicago (17ú heag.)Welling, M. Mathematical Techniques F.Y.B.Com. 6th. Mumbai: Manan, 2006.
Lua MLA (9ú heag.)Welling, M. Mathematical Techniques F.Y.B.Com. 6th. Manan, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.