1. Atkinson, J.W. & Litwin, Goth (1960). Achievement motivation and test anxiety conceived as motive to approach success and motive to avoid failure. Journal od Social Psychology, 60, 52-63.
2. Berelson, Bernard. Content Analysis in Communication Research. New York: Free Press, 1952.
3. Hejell, I.A.; & Zigler, D.J. (1992). Personality theories’ basic assumptions: Research and pale cautions. New York: McGraw Hill. Hermans, H.J.;1; (1997). A Questionnaire measure of achievement motivation. Journal of Applied Psychology. 54, 353-363.
4. Human, Heidar-Ali (2001). Providing and standardizing the achievement motivation test. Journal of Psychological Researches, V. 6, No. 1&2. .
5. Korman, A.K. (Translated by Hossein Shokr-Kon, 1977). Industrial and organizational psychology. Roshd Publication, Tehran, Iran.