McElroy, E. E. (1979). Applied business statistics (2nd ed.). Holden-Day.
Lua i Stíl Chicago (17ú heag.)McElroy, Elam E. Applied Business Statistics. 2nd ed. San Francisco, Calif: Holden-Day, 1979.
Lua MLA (9ú heag.)McElroy, Elam E. Applied Business Statistics. 2nd ed. Holden-Day, 1979.
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