CHANDRATREYA, M. (1955). Elementary Co-ordinate geometry. M.L. Chandratreya.
Cita Chicago (17th ed.)CHANDRATREYA, M.L. Elementary Co-ordinate Geometry. Poona: M.L. Chandratreya, 1955.
Cita MLA (9th ed.)CHANDRATREYA, M.L. Elementary Co-ordinate Geometry. M.L. Chandratreya, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.