APA
Usha Singh, University of Delhi. Faculty of Arts. Department of Psychology & University of Delhi. Faculty of Arts. Department of Psychology. (1976). Personality differences among athletes and non-athletes. : .
Chicago
Usha Singh, University of Delhi. Faculty of Arts. Department of Psychology and University of Delhi. Faculty of Arts. Department of Psychology. 1976. Personality differences among athletes and non-athletes. : .
Harvard
Usha Singh, University of Delhi. Faculty of Arts. Department of Psychology and University of Delhi. Faculty of Arts. Department of Psychology. (1976). Personality differences among athletes and non-athletes. : .
MLA
Usha Singh, University of Delhi. Faculty of Arts. Department of Psychology and University of Delhi. Faculty of Arts. Department of Psychology. Personality differences among athletes and non-athletes. : . 1976.
