Tyagi, B. S. (1996). Coordinate Geometry (14th ed.). Pragati Prakashan.
Tohutoru Kātū Chicago (17th ed.)Tyagi, B. S. Coordinate Geometry. 14th ed. New Delhi: Pragati Prakashan, 1996.
Tohutoro MLA (9th ed.)Tyagi, B. S. Coordinate Geometry. 14th ed. Pragati Prakashan, 1996.
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