2[3]Littlejohn.Stephen W..Theories of Human Communication(7thed.)[M].Belmont,CA:Wadsworth Publishers,1995.
3[4]Broom.Glen,Casey.Shawna and Ritchey.James.Toward a concept and theory of organization-public relationships[J].Journal of Public Relations Research,1997(2).
4[美] DAN GILLMOR. WE THE MEDIA[Z/OL] .http ://www. oreilly, com/catalog/wemedia/book/index.csp.