Williams, L. P. (1968). Relativity theory: Its origins and impact on modern thought. John Wiley and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, L. Pearce. Relativity Theory: Its Origins and Impact on Modern Thought. John Wiley and Sons, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliams, L. Pearce. Relativity Theory: Its Origins and Impact on Modern Thought. John Wiley and Sons, 1968.
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