Eisner, R. (1978). Factors in business investment. Published for the National Bureau of Economic Research by Ballinger Pub.
Lua i Stíl Chicago (17ú heag.)Eisner, Robert. Factors in Business Investment. Cambridge, Mass: Published for the National Bureau of Economic Research by Ballinger Pub, 1978.
Lua MLA (9ú heag.)Eisner, Robert. Factors in Business Investment. Published for the National Bureau of Economic Research by Ballinger Pub, 1978.
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