Mahoney, Bere
Personality and individual differences
Learning Matters, 2011
 Buku Teks
Ashton, Michael C.
Individual differences and personality
Academic Press, 2013
 eBooks
Reading about individual and group differences
edited by Lee Willerman and Robert G. Turner
W.H. Freeman, 1979
 Buku Teks
Haslam, Nick, 1963-
An introduction to personality, individual differences and intelligence
SAGE Publications, 2017
 Buku Teks
Handbook of individual differences : biological perspectives
edited by Anthony Gale, Michael W. Eysenck
John Wiley & Sons, 1992
 Buku Referensi