Costa, P. T., & McCrae, R. R. (1992). Revised NEO personality inventory (NEO-PIR)
-Digman, J. M. (1990). Personality structure: Emergence of the five-factor model. Annual review of psychology, 41(1), 417-440.
-Feist; J&Feist; G.J(2002): Theories of personality. New York: McGraw-Hill FL: Psychological Assessment Resources.-Goldberg; L.R(1993): The Structure of Phenotypic personality trait. London and New York Rutledge,27.
-Ibrahim, N. S., Yusof, N. S. H. C., Razak, N. F. A., & Norshahidi, N. D. (2014). A META-ANALYSIS OF THE RELATIONSHIP BETWEEN BIG FIVE PERSONALITY TRAITS AND STUDENTS’ACADEMIC ACHIEVEMENT. ICSSR E-Journal of Social Science Research, 2, 15-22.
-Hafiz, S. (2016). Personality as Predictors of Academic Achievement among University Students. The International Journal of Indian Psychology, Volume 3, Issue 3, No. 6, 34.
-McCrae, R, R, Costa, P.T : (1997) personality trait structure a human universal AmericanPsychologist, Vol.52, No.5,pp.509-516
-McCrae, R, R, Costa, P.T : (2003); Personality in adulthood. A five factors theory perspective, NewYork: guilt ford Press.
-McCrae, R. R. & John, O. P. (1992). An Introduction to the Five-Factor Model and Its Applications.
-Murray, H. A. (1938). Explorations in personality: A clinical and experimental study of fifty men of college age.
-Nye, J. V., Orel, E., & Kochergina, E. (2013). Big five personality traits and academic performance in Russian universities. Higher School of Economics Research Paper No. WP BRP, 10.
-Peterson, Christopher (1999)"The Psychology of Abnormality, Uni of Michigan, Ann Arbor.
-Petrides, K. V., Chamorro – Premuzic, T., Frederickson, N., Furnham, A. (2005). Explaining Individual Differences in Scholastic Behaviour and Achievement. British Journal of Educational Psychology. P239.
-Al-Naggar, R. A., Osman, M. T., Ismail, Z., Bobryshev, Y. V., Ali, M. S., & Menendez-Gonzalez, M. (2015). Relation between Type of Personality and Academic Performance among Malaysian Health Sciences Students. International Archives of Medicine, 8.