Cragan, J. F., & Shields, D. C. (1995). Symbolic theories in applied communication research: Bormann, Burke and Fisher. Hampton Press;, Speech Communication Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Cragan, John F., και Donald C. Shields. Symbolic Theories in Applied Communication Research: Bormann, Burke and Fisher. New Jersey : Virginia: Hampton Press;, Speech Communication Association, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Cragan, John F., και Donald C. Shields. Symbolic Theories in Applied Communication Research: Bormann, Burke and Fisher. Hampton Press;, Speech Communication Association, 1995.
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