1. Forbes. ‘Annual report on American industry’, May 12, 1980, pp. 213–301.
2. Fortune. ‘Annual directory of the 500 largest industrial firms’. May 7, 1979, pp. 268–295.
3. Action Plans for Public Affairs, The Conference Board, New York, 1977.
4. ‘More firms upgrade government-relations jobs…’, The Wall Street Journal, January 11, 1980.