RAVIRALA, R. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Lua i Stíl Chicago (17ú heag.)RAVIRALA, RAMESH. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Lua MLA (9ú heag.)RAVIRALA, RAMESH. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.