BLUMAN, A. G. (2018). Elementary statistics: A step by step approach. McGraw-Hill, Education.
Lua i Stíl Chicago (17ú heag.)BLUMAN, Allan G. Elementary Statistics: A Step by Step Approach. McGraw-Hill, Education, 2018.
Lua MLA (9ú heag.)BLUMAN, Allan G. Elementary Statistics: A Step by Step Approach. McGraw-Hill, Education, 2018.
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