Lagemann, R. T. (1963). Physical science: Origins and principles. Little, Brown.
शिकागो स्टाइल उद्धरणLagemann, Robert T. Physical Science: Origins and Principles. Boston: Little, Brown, 1963.
एमएलए उद्धरणLagemann, Robert T. Physical Science: Origins and Principles. Little, Brown, 1963.
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