Psychological assessment
American Psychological Association, 1997
 Majalah, Jurnal, Buletin
Psychological Review
American Psychological Association, Inc.,, 2002
 Majalah, Jurnal, Buletin
Staw, Barry M.
Psychological dimensions of organizational behavior
Macmillan, 1991
 Buku Teks
Freeman, Frank S.
Theory and practice of psychological testing
Holt, Rinehart and Winston, 1960
 Buku Teks
Japanese Psychological Reserach
Blackwell Publishing,
 Majalah, Jurnal, Buletin