1. James M. Grunig (Ed.), Excellence in Public Relations and Communications Management, Lawrence Erlbaum, Hillsdale, NJ, 1992
2. See James M. Grunig, Jon White, The Effect of Worldviews on Public Relations, pp. 31–64
3. The historical foundations of symmetrical theory are discussed in detail in James M. Grunig, Todd Hunt, Managing Public Relations, Holt, Rinehart and Winston, Forth Worth, 1984, pp. 21–45
4. For theory’s inseparability from historical premises, see historical sociologist Margaret Somers, We’re no angels: realism, rational choice and relationality in social science: a response to Edgar Kiser and Michael Hechter, American Journal of Sociology 104 (3), p. 722
5. Somers argues that theory cannot escape history and both misunderstands itself and introduces potential distortions into its work if it tries to do so.