Hewitt, P. G. (1974). Conceptual physics: A new introduction to your environment (2nd ed.). Little.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Boston: Little, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Little, 1974.
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