APA (7th ed.) Zitazioa
Bell, R. J. T. (1996). An Elementary Treatise on Coordinate Geometry of Three Dimensions (4th ed.). Macmillan.
Chicago Style (17th ed.) Zitazioa
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. New Delhi: Macmillan, 1996.
MLA (9th ed.) Zitazioa
Bell, Robert J. T. An Elementary Treatise on Coordinate Geometry of Three Dimensions. 4th ed. Macmillan, 1996.
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