Khan, R. M. (1990). Analytical Geometry (2nd ed.). New Central Book Agency.
Cita Chicago (17th ed.)Khan, R. M. Analytical Geometry. 2nd ed. Kolkata: New Central Book Agency, 1990.
Cita MLA (9th ed.)Khan, R. M. Analytical Geometry. 2nd ed. New Central Book Agency, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.