1. Baldry, A., & Thibault, P. J. (2005). Multimodal Transcription and Text Analysis. London: Equinox.
2. Barthes, R. (1977). Rhetoric of the Image. In R. Barthes (Ed.), Image–Music–Text (pp. 32–51). London: Fontana.
3. Berinstein, P. (1997). Moving Multimedia: The Information Value in Images. Searcher, 5(8), 40–49.
4. Cohn, N. (2007). A Visual Lexicon. The Public Journal of Semiotics, 1(1), 35–56.
5. Eco, U. (1976). A Theory of Semiotics. Bloomington: Indiana University Press.