Nand, B., Tyagi, B. S., & Sharma, B. D. (1982). Coordinate Solid Geometry. Kedar Nath Ram Nath.
Cita Chicago (17th ed.)Nand, B., B. S. Tyagi, i B. D. Sharma. Coordinate Solid Geometry. Meerut: Kedar Nath Ram Nath, 1982.
Cita MLA (9th ed.)Nand, B., et al. Coordinate Solid Geometry. Kedar Nath Ram Nath, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.