Levin, Jack
Elementary statistics in social research
Harper & Row, 1973
Buku Teks
Erricker, B.C.
Elementary statistics
Hodder and Stoughton, 1981
Buku Teks
Bowley, Arthur
Elementary of statistics
Staples Press, 1948
Buku Teks
Johnson, Robert
Elementary statistics
PWS-Kent, 1984
Buku Teks
Hoel, Paul Gerhard, 1905-
Elementary statistics
John Wiley & Sons, 1962
Buku Teks SO