Friedman, M. L. Space, time, and geometry: Einstein and logical empiricism / Michael L. Friedman. Einstein for the 21st century : his legacy in science, art, and modern culture.(2008).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedman, Michael L. "Space, Time, and Geometry: Einstein and Logical Empiricism / Michael L. Friedman." Einstein for the 21st Century : His Legacy in Science, Art, and Modern Culture.(2008) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रFriedman, Michael L. "Space, Time, and Geometry: Einstein and Logical Empiricism / Michael L. Friedman." Einstein for the 21st Century : His Legacy in Science, Art, and Modern Culture.(2008), .
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