Alexander, D. C., & Daniel C. Alexander; Geralyn M. Koeberlein. Elementary Geometry for College Students. Boston: Houghton Mifflin.
शिकागो स्टाइल उद्धरणAlexander, Daniel C., और Daniel C. Alexander; Geralyn M. Koeberlein. Elementary Geometry for College Students. Boston: Houghton Mifflin.
एमएलए उद्धरणAlexander, Daniel C., और Daniel C. Alexander; Geralyn M. Koeberlein. Elementary Geometry for College Students. Boston: Houghton Mifflin.
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