Loney, S. L. (1950). The Elements of Coordinate Geometry. Macmillan.
Cita Chicago (17th ed.)Loney, Sidney Luxton. The Elements of Coordinate Geometry. London: Macmillan, 1950.
Cita MLA (9th ed.)Loney, Sidney Luxton. The Elements of Coordinate Geometry. Macmillan, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.