Kar, J. Analytical geometry of the conic sections (5th ed.). Standard law house.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKar, J.M. Analytical Geometry of the Conic Sections. 5th ed. Delhi: Standard law house.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKar, J.M. Analytical Geometry of the Conic Sections. 5th ed. Standard law house.
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