Loney, S. L. (1990). An Elementary Treatise on Coordinate Geometry (Latest ed.). Macmillan.
Cita Chicago (17th ed.)Loney, S. L. An Elementary Treatise on Coordinate Geometry. Latest ed. London: Macmillan, 1990.
Cita MLA (9th ed.)Loney, S. L. An Elementary Treatise on Coordinate Geometry. Latest ed. Macmillan, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.