Van, D. J. (1984). Aggregation in economic research: From individual to macro relations. D. Reidel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVan, Daal J. Aggregation in Economic Research: From Individual to Macro Relations. Dordrecht: D. Reidel, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVan, Daal J. Aggregation in Economic Research: From Individual to Macro Relations. D. Reidel, 1984.
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