1. Organizations evolving;Aldrich,2000
2. Entrepreneurship through social networks;Aldrich,1986
3. Aldridge Jr., J. H. (1997). An occupational personality profile of the male entrepreneur as assessed by the 16PF fifth edition. Unpublished doctoral dissertation, University of Georgia.
4. Opportunity costs and entrepreneurial activity
5. Motives in fantasy, action, and society;Atkinson,1957