Tyagi, P. D. (1991). Coordinate Solid Geometry. Ramesh Publishing House.
Chicago Style (17th ed.) CitationTyagi, P. D. Coordinate Solid Geometry. New Delhi: Ramesh Publishing House, 1991.
MLA (9th ed.) CitationTyagi, P. D. Coordinate Solid Geometry. Ramesh Publishing House, 1991.
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