Waite, E., & Leff, L. S. (2019). Geometry the easy way (Fifth edition.). Kaplan Inc., d/b/a Barron's Educational Series.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWaite, Elizabeth, और Lawrence S. Leff. Geometry the Easy Way. Fifth edition. New York, NY: Kaplan Inc., d/b/a Barron's Educational Series, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWaite, Elizabeth, और Lawrence S. Leff. Geometry the Easy Way. Fifth edition. Kaplan Inc., d/b/a Barron's Educational Series, 2019.
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