(1963). (Supplement) Index of publications of Bureaus of Business and Economic Research: 1962. [s.l.]: University of Oregon. Bureau of Business Research.
Παραπομπή Chicago Style(Supplement) Index of Publications of Bureaus of Business and Economic Research: 1962. [s.l.]: University of Oregon. Bureau of Business Research, 1963.
Παραπομπή MLA(Supplement) Index of Publications of Bureaus of Business and Economic Research: 1962. [s.l.]: University of Oregon. Bureau of Business Research, 1963.
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