Clark, Charles T.
Statistical methods for business decisions / Charles T. Clark and Lawrence L. Schkade
Ohio South Western , 1969
 Buku Teks
Djarwanto
Statistik nonparametrik
BPFE, 1997
 Buku Teks
Haber, Audrey
General statistics
Addison-Wesley , 1971
 Buku Teks
Croxton, Frederick E.
Applied general statistics
Prentice-Hal, 1967
 Buku Teks
Croxton, Frederick E.
Applied general statistics
Prentice-Hall, 1960
 Buku Teks