Edwards, Allen L.
Statistical analysis
Rinehart and Winston , 1958
 Buku Teks
Lewis, Edward E.
Methods of statistical analysis in economics and business / by Edward E. Lewis
Houghton Mifflin , 1963
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Harman, Harry H.
Modern factor analysis
University of Chicago Press, 1968
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Twisk, Jos W.R.
Applied multilevel analysis: a practical guide
Cambridge University Press, 2006
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Sokal, Robert R.
Pengantar biostatistika = introduction to biostatistics
Gadjah Mada University Press, 1991
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