Haavelmo, T. (1970). A study in the theory of investment. University of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHaavelmo, Trygve. A Study in the Theory of Investment. University of Chicago Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHaavelmo, Trygve. A Study in the Theory of Investment. University of Chicago Press, 1970.
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