Cita APA (7th ed.)

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.