Stephen, Peter
Simple statistics for library and information professionals
Library Associaion Publishing, 1996
 Buku Teks
McClave, James T.
Statistics
Prentice-Hall, 2000
 Buku Teks
McClave, James T.
Statistics
Dellen Publishing, 1979
 Buku Teks
Hays, William Lee, 1926-1995
Statistics
Harcourt Brace Colege, 1994
 Buku Teks
McClave, James T.
Statistics
Dellen Publishing, 1985
 Buku Teks