1. J. Maclean,‘Political Theory, International Theory, and Problems of Ideology’, Millennium, vol. 10, no. 2 (1981), p. 103.
2. M. Horkheimer, Critical Theory (New York, 1972), p. 206.
3. K. Marx, Selected Writings (Oxford, 1977), p. 158.
4. Horkheimer (1972), p. 223.
5. T. McCarthy, The Critical Theory of Jurgen Habermas (Cambridge, Mass., 1978), p. 55.