Wessel, R. H. (1965). Statistics as Applied to Economics and Business (2nd rev ed.). Holt, Rinehart and Winston, Inc.
Chicago-tyylinen lähdeviittausWessel, Robert H. Statistics as Applied to Economics and Business. 2nd rev ed. New York: Holt, Rinehart and Winston, Inc, 1965.
MLA-viiteWessel, Robert H. Statistics as Applied to Economics and Business. 2nd rev ed. Holt, Rinehart and Winston, Inc, 1965.
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