Johnson, Robert
Elementary statistics
PWS-Kent, 1984
 Buku Teks SO
Erricker, B.C.
Elementary statistics
Hodder and Stoughton, 1981
 Buku Teks SO
Sellers, Gene R.
Elementary statistics
W.B. Saunders, 1977
 Buku Teks SO
Freund, John E.
Modern elementary statistics
Pearson-Prentice-Hall, 2007
 Buku Teks SO
Freund, John E.
Modern elementary statistics
Pearson Education, 2007
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