Furfey, P. H. (1928). The measurement of developmental age. Catholic Education Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFurfey, Paul Hanly. The Measurement of Developmental Age. Washington, D.C.: Catholic Education Press, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFurfey, Paul Hanly. The Measurement of Developmental Age. Catholic Education Press, 1928.
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