Sirug, W. S. (2011). Introduction to business statistics: A comprehensive approach. Mindshapers Co.
Lua i Stíl Chicago (17ú heag.)Sirug, Winston S. Introduction to Business Statistics: A Comprehensive Approach. Manila: Mindshapers Co, 2011.
Lua MLA (9ú heag.)Sirug, Winston S. Introduction to Business Statistics: A Comprehensive Approach. Mindshapers Co, 2011.
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