Thurstone, T. G. (1967). Learning to think series. Science Research Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThurstone, T. G. Learning to Think Series. Chicago, Ill.: Science Research Associates, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रThurstone, T. G. Learning to Think Series. Science Research Associates, 1967.
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