Foran, T. G. (1926). The constancy of the intelligence quotient: A review. Catholic education press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रForan, Thomas George. The Constancy of the Intelligence Quotient: A Review. Washington, D. C.: Catholic education press, 1926.
एमएलए (8वां संस्करण) प्रशस्ति पत्रForan, Thomas George. The Constancy of the Intelligence Quotient: A Review. Catholic education press, 1926.
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