APA (7 वां संस्करण) प्रशस्ति पत्र
Hamerla, R. R. (2006). An American Scientist on the Research Frontier: Edward Morley, Community, and Radical Ideas in Nineteenth-Century Science. Springer Netherlands. https://doi.org/10.1007/1-4020-4089-X
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hamerla, Ralph R. An American Scientist on the Research Frontier: Edward Morley, Community, and Radical Ideas in Nineteenth-Century Science. Dordrecht: Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-4089-X.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hamerla, Ralph R. An American Scientist on the Research Frontier: Edward Morley, Community, and Radical Ideas in Nineteenth-Century Science. Springer Netherlands, 2006. https://doi.org/10.1007/1-4020-4089-X.
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