Lewis, E. E. (1963). Methods of statistical analysis in economics and business. 2nd ed. Houghton Mifflin.
Chicago Style (17. basım) AtıfLewis, Edward E. Methods of Statistical Analysis in Economics and Business. 2nd Ed. Boston: Houghton Mifflin, 1963.
MLA (9th ed.) AtıfLewis, Edward E. Methods of Statistical Analysis in Economics and Business. 2nd Ed. Houghton Mifflin, 1963.
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