Freund, John E.
Modern elementary statistics
Pearson Prentice Hall, 2007
 Buku Teks
Venables, W.N.
Modern applied statistics with S-plus
Springer-Verlag, 1994
 Buku Teks
Freund, John E.
Modern elementary statistics
Prentice-Hall, 1980
 Buku Teks
Lapin, Lawrence L.
Statistics for modern business decisions
Harcourt Brace Jovanovich, 1990
 Buku Teks
Lapin, Lawrence L.
Statistics for modern business dicisions
Harcourt Brace Jovanovich, 1978
 Buku Teks