1. Barthes, R.: Elements of Semiology. Macmillan, London (1977)
2. Fell, J.P.: The phenomenological approach to emotion. In: Emotion. Brooks/Cole, Monterey (1977)
3. Gamble, T.K., Gamble, M.W.: Interpersonal Communication: Building Connections Together. SAGE Publications, Thousand Oaks (2013)
4. Hillman, J.: Emotion. Routledge & Kegan Paul, London (1960)
5. Han, C.Y.: Image Communication. Wiseman, Taipei (2005)