Bluman, A. G. (1992). Elementary statistics: A step by step approach. WCB.
Lua i Stíl Chicago (17ú heag.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. Dubuque: WCB, 1992.
Lua MLA (9ú heag.)Bluman, Allan G. Elementary Statistics: A Step by Step Approach. WCB, 1992.
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