Costa, D. L. (1997). Unequal at birth: A long-term comparison of income and birth weight. National Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCosta, Dora L. Unequal at Birth: A Long-term Comparison of Income and Birth Weight. Cambridge: National Bureau of Economic Research, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCosta, Dora L. Unequal at Birth: A Long-term Comparison of Income and Birth Weight. National Bureau of Economic Research, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.