Haber, Audrey
General statistics
Addison-Wesley , 1971
 Buku Teks SO
Tippett, L.H.C.
The methods of statistics
Williams and Norgate, 1952
 Buku Teks SO
Fraser, D.A.S.
Statistics: an introduction
John Wiley & Sons, 1967
 Buku Teks SO
Fisher, Ronald A.
Statistics methods for research workers
Oliver and Boyd, 1950
 Buku Teks SO
Langley, Russell
Practical statistics simply explained
Dover , 1971
 Buku Teks SO