Harré, R. (1975). Problems of scientific revolution: Progress and obstacles to progress in the sciences. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarré, Rom. Problems of Scientific Revolution: Progress and Obstacles to Progress in the Sciences. Oxford: Clarendon Press, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarré, Rom. Problems of Scientific Revolution: Progress and Obstacles to Progress in the Sciences. Clarendon Press, 1975.
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