W.J, D.(2003).Statistics and Probability
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With Microsoft® Excel (2003).A m s t e r d a m:Elsevier Science (USA).
Gaya MLA
DeCoursey, W.J."Statistics and Probability
for Engineering Applications
With Microsoft® Excel".2003A m s t e r d a m:Elsevier Science (USA),2003.Buku Pelajaran.