Colberg, M. R. (1965). Human capital in southern development: 1939-1963. Univ. of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColberg, Marshall Rudolph. Human Capital in Southern Development: 1939-1963. Chapel Hill: Univ. of North Carolina Press, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColberg, Marshall Rudolph. Human Capital in Southern Development: 1939-1963. Univ. of North Carolina Press, 1965.
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