APA (7e ed.) Bronvermelding
Bell, R. J. T. (1996). An Elementary Treatise on Coordinate Geometry of Three Dimensions (4th ed.). Macmillan.
Chicago (17e ed.) Bronvermelding
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. New Delhi: Macmillan, 1996.
MLA (9e ed.) Bronvermelding
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. Macmillan, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.