1. Barthes, R. (1977) `The Rhetoric of the Image', in Image-Music-Text, pp. 32-51 (essays selected and translated from the French by Stephen Heath). London: Fontana.
2. Cacciari, C. (1998) `Why Do We Speak Metaphorically? Reflections on the Functions of Metaphor in Discourse and Reasoning', in A.N. Katz et al. (eds) Figurative Language and Thought, pp. 119-57. Oxford: Oxford University Press.