Perkin, H. A. (1996). The third revolution: Professional elites in the modern world.
Chicago Edition CitationPerkin, Harold; Author. The Third Revolution: Professional Elites in the Modern World. London, Routledge, 1996.
Cita MLAPerkin, Harold; Author. The Third Revolution: Professional Elites in the Modern World. 1996.
Atenció: Aquestes cites poden no estar 100% correctes.