Cita APA (7th ed.)
Bell, R. J. T. (1996). An Elementary Treatise on Coordinate Geometry of Three Dimensions (4th ed.). Macmillan.
Cita Chicago (17th ed.)
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. New Delhi: Macmillan, 1996.
Cita MLA (9th ed.)
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. Macmillan, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.