Smith, Lee H.
Statistical analysis for business A conceptual approach Lee H. Smith and Donald R. Williams
Belmont, Cal Wadsworth Pub. Co. c.1971,
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Erickson, Roy V.
Study guide to accompany Smith's, statistical reasoning
Allyn and Bacon, 1985
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Kuebler, Roy R.
Statistics: a beginning / Roy R. Kuebler and Harry Smith
John Wiley & Sons, 1976
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Goulden, Cyril H.
Methods of statistical analysis
John Wiley & Sons, 1952
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Goulden, Cyril H.
Methods of statistical analysis
John Wiley & Sons, 1952
 Buku Teks