Perkin, H. J. (1996). The Third Revolution: Professional elites in the modern world. Routledge.
Chicago-viite (17. p.)Perkin, Harold James. The Third Revolution: Professional Elites in the Modern World. London: Routledge, 1996.
MLA-viite (9. p.)Perkin, Harold James. The Third Revolution: Professional Elites in the Modern World. Routledge, 1996.
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