Bowen, E. K. (1987). Basic Statistic For Business Economics Earl K. Bowen And Martin K. Starr. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Bowen, Eael K. Basic Statistic For Business Economics Earl K. Bowen And Martin K. Starr. McGraw-Hill, 1987.
Lua MLA (8ú heag.)Bowen, Eael K. Basic Statistic For Business Economics Earl K. Bowen And Martin K. Starr. McGraw-Hill, 1987.
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