Khanna, V. K. (1998). Solid Geometry. Vikas Publishing House.
Cita Chicago (17th ed.)Khanna, V. K. Solid Geometry. New Delhi: Vikas Publishing House, 1998.
Cita MLA (9th ed.)Khanna, V. K. Solid Geometry. Vikas Publishing House, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.