Eisner, R. (1978). Factors in business investment. Published for the National Bureau of Economic Research by Ballinger Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEisner, Robert. Factors in Business Investment. Cambridge, Mass: Published for the National Bureau of Economic Research by Ballinger Pub, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEisner, Robert. Factors in Business Investment. Published for the National Bureau of Economic Research by Ballinger Pub, 1978.
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