RAVIRALA, R. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Cita Chicago (17th ed.)RAVIRALA, RAMESH. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Cita MLA (9th ed.)RAVIRALA, RAMESH. MATH WISE: A BOOK OF MENTAL MATHS- 1. BOOKSMITH.
Atenció: Aquestes cites poden no estar 100% correctes.