Gittinger, J. P. (1972). Economic analysis of agricultural projects. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGittinger, James Price. Economic Analysis of Agricultural Projects. Baltimore: Johns Hopkins University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGittinger, James Price. Economic Analysis of Agricultural Projects. Johns Hopkins University Press, 1972.
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