Bobko, Philip
Correlation and regression: principles and applications for industrial/organizational psychology and management/Philip Bobko
New York McGraw-Hill 1995,
 Buku Teks
Mann, Prem S
Introductory statistics
John Wiley & Sons, 1994
 Buku Teks
O`Dea, Thomas F.
Statistika : untuk ekonomi dan keuangan modern (buku 2)
Salemba Empat, 2004
 Buku Teks
Mann, Prem S
Statistics for business and economics/Prem S. Mann
New York John Wiley & Sons 1995,
 Buku Teks
Baisnab, A.P.
Elements of probability and statistics/A.P. Baisnab, Manoranjan Jas
New Delhi Tata McGraw-Hill 1993,
 Buku Teks