Sharma, B. D. (1985). Coordinate Solid Geometry. Kedar Nath Ram Nath.
Cita Chicago (17th ed.)Sharma, B. D. Coordinate Solid Geometry. Meerut: Kedar Nath Ram Nath, 1985.
Cita MLA (9th ed.)Sharma, B. D. Coordinate Solid Geometry. Kedar Nath Ram Nath, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.